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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A201988 Number of nX6 zero-sum -3..3 arrays with rows and columns lexicographically nondecreasing.

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%I A201988 #6 Jul 22 2025 16:25:54
%S A201988 58,1177568,46034224561,1507315600099908,38785259210265819578
%N A201988 Number of nX6 zero-sum -3..3 arrays with rows and columns lexicographically nondecreasing.
%C A201988 Column 6 of A201989
%e A201988 Some solutions for n=2
%e A201988 .-3.-3.-2.-1..1..3...-3.-3.-1.-1..2..3...-3.-3.-2..1..3..3...-3.-3.-2.-1..0..2
%e A201988 ..0..2..3.-1..3.-2....0..2.-3.-1..3..2....0..1..1..0.-2..1....0..2..0..0..3..2
%K A201988 nonn
%O A201988 1,1
%A A201988 _R. H. Hardin_ Dec 07 2011

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