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A368072 Number of representations of n as the difference of two positive tetrahedral numbers. 2

%I #7 Dec 31 2023 00:18:50

%S 0,0,1,0,0,1,0,0,1,1,0,0,0,0,1,1,0,0,1,0,1,0,0,0,1,0,0,1,0,0,1,0,0,1,

%T 0,2,0,0,0,0,0,0,0,0,1,1,0,0,1,0,0,1,0,0,2,0,0,0,0,0,0,0,0,2,0,1,0,0,

%U 0,0,0,0,0,1,0,0,0,1,0,1,1,0,1,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0,2

%N Number of representations of n as the difference of two positive tetrahedral numbers.

%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/TetrahedralNumber.html">Tetrahedral Number</a>

%e a(36) = 2: 36 = 56 - 20 = 120 - 84.

%Y Cf. A000292, A136107, A307666, A368073, A368076.

%K nonn

%O 1,36

%A _Ilya Gutkovskiy_, Dec 10 2023

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Last modified May 17 12:26 EDT 2024. Contains 372600 sequences. (Running on oeis4.)