cp's OEIS Frontend

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.

A202740 Number of nX6 0..1 arrays with row sums equal and column sums unequal to adjacent columns.

Table of values

n a(n)
1 2
2 102
3 3032
4 62398
5 1375912
6 27842760
7 578826040
8 11600238174
9 239443637912
10 4806953288872
11 98795215188760
12 1991699775933928
13 40848655904440568
14 824853028164662088
15 16889107635602264212
16 341245428784872621534

List of values

[2, 102, 3032, 62398, 1375912, 27842760, 578826040, 11600238174, 239443637912, 4806953288872, 98795215188760, 1991699775933928, 40848655904440568, 824853028164662088, 16889107635602264212, 341245428784872621534]

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

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