Cody

# Problem 2024. Triangle sequence

Solution 2081187

Submitted on 6 Jan 2020 by Nurdos Omarkulov
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### Test Suite

Test Status Code Input and Output
1   Pass
n = 1; area_correct = 25; tolerance = 1e-12; assert(abs(triangle_sequence(n)-area_correct)<tolerance)

2   Pass
n = 2; area_correct = 41; tolerance = 1e-12; assert(abs(triangle_sequence(n)-area_correct)<tolerance)

tri = 4.0000 5.0000 6.4031

3   Pass
n = 3; area_correct = 66; tolerance = 1e-12; assert(abs(triangle_sequence(n)-area_correct)<tolerance)

tri = 4.0000 5.0000 6.4031 tri = 5.0000 6.4031 8.1240

4   Pass
n = 50; area_correct = 439116598409; tolerance = 1e-3; assert(abs(triangle_sequence(n)-area_correct)<tolerance)

tri = 4.0000 5.0000 6.4031 tri = 5.0000 6.4031 8.1240 tri = 6.4031 8.1240 10.3441 tri = 8.1240 10.3441 13.1529 tri = 10.3441 13.1529 16.7332 tri = 13.1529 16.7332 21.2838 tri = 16.7332 21.2838 27.0740 tri = 21.2838 27.0740 34.4384 tri = 27.0740 34.4384 43.8064 tri = 34.4384 43.8064 55.7225 tri = 43.8064 55.7225 70.8802 tri = 55.7225 70.8802 90.1610 tri = 70.8802 90.1610 114.6865 tri = 90.1610 114.6865 145.8835 tri = 114.6865 145.8835 185.5667 tri = 145.8835 185.5667 236.0445 tri = 185.5667 236.0445 300.2532 tri = 236.0445 300.2532 381.9280 tri = 300.2532 381.9280 485.8199 tri = 381.9280 485.8199 617.9725 tri = 485.8199 617.9725 786.0732 tri = 617.9725 786.0732 999.9005 tri = 1.0e+03 * 0.7861 0.9999 1.2719 tri = 1.0e+03 * 0.9999 1.2719 1.6179 tri = 1.0e+03 * 1.2719 1.6179 2.0580 tri = 1.0e+03 * 1.6179 2.0580 2.6178 tri = 1.0e+03 * 2.0580 2.6178 3.3299 tri = 1.0e+03 * 2.6178 3.3299 4.2356 tri = 1.0e+03 * 3.3299 4.2356 5.3878 tri = 1.0e+03 * 4.2356 5.3878 6.8534 tri = 1.0e+03 * 5.3878 6.8534 8.7177 tri = 1.0e+04 * 0.6853 0.8718 1.1089 tri = 1.0e+04 * 0.8718 1.1089 1.4106 tri = 1.0e+04 * 1.1089 1.4106 1.7942 tri = 1.0e+04 * 1.4106 1.7942 2.2823 tri = 1.0e+04 * 1.7942 2.2823 2.9032 tri = 1.0e+04 * 2.2823 2.9032 3.6929 tri = 1.0e+04 * 2.9032 3.6929 4.6974 tri = 1.0e+04 * 3.6929 4.6974 5.9752 tri = 1.0e+04 * 4.6974 5.9752 7.6006 tri = 1.0e+04 * 5.9752 7.6006 9.6681 tri = 1.0e+05 * 0.7601 0.9668 1.2298 tri = 1.0e+05 * 0.9668 1.2298 1.5643 tri = 1.0e+05 * 1.2298 1.5643 1.9899 tri = 1.0e+05 * 1.5643 1.9899 2.5311 tri = 1.0e+05 * 1.9899 2.5311 3.2196 tri = 1.0e+05 * 2.5311 3.2196 4.0955 tri = 1.0e+05 * 3.2196 4.0955 5.2095 tri = 1.0e+05 * 4.0955 5.2095 6.6266

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