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.

A240655 Number of n X 7 0..1 arrays with no element equal to exactly one horizontal or vertical neighbor, with new values 0..1 introduced in row major order.

Table of values

n a(n)
1 1
2 21
3 402
4 7154
5 118863
6 2076117
7 37066859
8 666849212
9 12062165754
10 218944306666
11 3980414427158
12 72424065007263
13 1318344476372801
14 24003514023779867
15 437093903871650760
16 7959828410582705257

List of values

[1, 21, 402, 7154, 118863, 2076117, 37066859, 666849212, 12062165754, 218944306666, 3980414427158, 72424065007263, 1318344476372801, 24003514023779867, 437093903871650760, 7959828410582705257]

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

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