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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.

A230673 Number of nX6 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 33
2 21933
3 6081561
4 1844154933
5 559929294657
6 169908632412447
7 51564141085334199
8 15648664251672721725
9 4749050405190938157075
10 1441240135293669121537797
11 437387035655507564724178683

List of values

[33, 21933, 6081561, 1844154933, 559929294657, 169908632412447, 51564141085334199, 15648664251672721725, 4749050405190938157075, 1441240135293669121537797, 437387035655507564724178683]

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

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