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.

A186908 Number of (n+2) X 4 0..6 arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.

Table of values

n a(n)
1 59969593
2 2974946682
3 99241308567
4 2536761070723
5 52666517720011
6 921058887545363
7 13921822487031205
8 185414592506642580
9 2208956268019713255
10 23828517723857362267
11 235072125997423449023

List of values

[59969593, 2974946682, 99241308567, 2536761070723, 52666517720011, 921058887545363, 13921822487031205, 185414592506642580, 2208956268019713255, 23828517723857362267, 235072125997423449023]

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

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