Problem 44334. Sums of Multiple Pairs of Triangular Numbers

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Last Solution submitted on Jan 20, 2023

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Rafael S.T. Vieira on 2 Jul 2020

The first test case is wrong 0 and 21 are triangular numbers too (https://oeis.org/A000217), therefore:
multi_triangular(21)
[ 0, 6;
21, 15]

PS: And 0 does not make a pair with every number in this case.

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Problem 44334. Sums of Multiple Pairs of Triangular Numbers

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Problem 44334. Sums of Multiple Pairs of Triangular Numbers

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