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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.

A267753 Number of 5Xn arrays containing n copies of 0..5-1 with every element equal to or 1 greater than any north neighbor modulo 5 and the upper left element equal to 0.

Table of values

n a(n)
1 1
2 11
3 313
4 13451
5 679735
6 37668275
7 2218059985
8 136270559675
9 8639673619975
10 561345949073501
11 37199029884576055
12 2505536459782428275
13 171083113958746029535
14 11818808909940579018035
15 824717389713663500108473

List of values

[1, 11, 313, 13451, 679735, 37668275, 2218059985, 136270559675, 8639673619975, 561345949073501, 37199029884576055, 2505536459782428275, 171083113958746029535, 11818808909940579018035, 824717389713663500108473]

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

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