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.

A230064 Number of nX4 0..2 arrays x(i,j) with each element diagonally or antidiagonally next to at least one element with value 2-x(i,j).

Table of values

n a(n)
1 0
2 81
3 441
4 15129
5 281961
6 6487209
7 137945025
8 3020271849
9 65409597009
10 1422349620129
11 30882371810481
12 670905678011409
13 14572037106084249
14 316528933014939681
15 6875333045808325641
16 149340930039835655625

List of values

[0, 81, 441, 15129, 281961, 6487209, 137945025, 3020271849, 65409597009, 1422349620129, 30882371810481, 670905678011409, 14572037106084249, 316528933014939681, 6875333045808325641, 149340930039835655625]

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

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