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.

A208266 Number of nX5 0..1 arrays with new values 0..1 introduced in row major order and no element equal to more than two of its immediate leftward or upward or left-upward diagonal neighbors.

Table of values

n a(n)
1 16
2 317
3 6631
4 137845
5 2867739
6 59655167
7 1240971177
8 25815151595
9 537016650729
10 11171225344081
11 232388094425359
12 4834225856311743
13 100563411775559793
14 2091958482792842737
15 43517718984137019457
16 905272203611654999429

List of values

[16, 317, 6631, 137845, 2867739, 59655167, 1240971177, 25815151595, 537016650729, 11171225344081, 232388094425359, 4834225856311743, 100563411775559793, 2091958482792842737, 43517718984137019457, 905272203611654999429]

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

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