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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.

A230674 Number of nX7 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value 2-x(i,j).

Table of values

n a(n)
1 63
2 141411
3 108108231
4 91258562955
5 77282148036051
6 65376252475286079
7 55314799986833459367
8 46801278897512391365487
9 39598077165834016051238043
10 33503529630527901643288424553
11 28346994197765512368139659784815

List of values

[63, 141411, 108108231, 91258562955, 77282148036051, 65376252475286079, 55314799986833459367, 46801278897512391365487, 39598077165834016051238043, 33503529630527901643288424553, 28346994197765512368139659784815]

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

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