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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.

A230650 Number of nX6 0..2 white square subarrays 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 33
3 177
4 2547
5 28161
6 337977
7 3951657
8 46564959
9 547445439
10 6440488155
11 75754392573
12 891094042215
13 10481688337035
14 123293830743177
15 1450276232412603
16 17059265522993919
17 200664184001736495

List of values

[0, 33, 177, 2547, 28161, 337977, 3951657, 46564959, 547445439, 6440488155, 75754392573, 891094042215, 10481688337035, 123293830743177, 1450276232412603, 17059265522993919, 200664184001736495]

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

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