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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.

A239339 Number of nX7 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it, modulo 4.

Table of values

n a(n)
1 368
2 152260
3 54774178
4 19117551262
5 6693244281896
6 2331550702010844
7 808844678734652790
8 280328352590045292898
9 97098324777969236740601
10 33612953785570810824523855
11 11632488891977131786485508436

List of values

[368, 152260, 54774178, 19117551262, 6693244281896, 2331550702010844, 808844678734652790, 280328352590045292898, 97098324777969236740601, 33612953785570810824523855, 11632488891977131786485508436]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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