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.

A268902 Number of n X 6 0..2 arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.

Table of values

n a(n)
1 240
2 9720
3 299088
4 8250912
5 214142760
6 5344944120
7 129834259704
8 3091414865040
9 72488795124312
10 1679265104747616
11 38520989302343760
12 876481043382776664
13 19806871824479466648
14 444994736265664134120
15 9947337685046673808176

List of values

[240, 9720, 299088, 8250912, 214142760, 5344944120, 129834259704, 3091414865040, 72488795124312, 1679265104747616, 38520989302343760, 876481043382776664, 19806871824479466648, 444994736265664134120, 9947337685046673808176]

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

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