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.

A222903 Number of nX5 0..3 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..3 order.

Table of values

n a(n)
1 5
2 92
3 1202
4 101398
5 2117424
6 213112150
7 4854855483
8 488736554328
9 11422629770589
10 1152667562787040
11 27237086853444410
12 2763273074226456813
13 65679405668506840943
14 6699091915684382786089
15 159870883492047139411327

List of values

[5, 92, 1202, 101398, 2117424, 213112150, 4854855483, 488736554328, 11422629770589, 1152667562787040, 27237086853444410, 2763273074226456813, 65679405668506840943, 6699091915684382786089, 159870883492047139411327]

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

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