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.

A222775 Number of 7 X n 0..1 arrays with exactly floor(7 X n/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Table of values

n a(n)
1 0
2 512
3 7575
4 196185
5 2645385
6 79612578
7 1139211468
8 36347447930
9 539406313075
10 17697303249138
11 268539430883934
12 8952558217033179
13 137856342447857961
14 4642930013771229936
15 72224464903123955127
16 2449378469060543554130

List of values

[0, 512, 7575, 196185, 2645385, 79612578, 1139211468, 36347447930, 539406313075, 17697303249138, 268539430883934, 8952558217033179, 137856342447857961, 4642930013771229936, 72224464903123955127, 2449378469060543554130]

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

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