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.

A276304 Number of 7Xn 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-1) and new values introduced in order 0..2.

Table of values

n a(n)
1 365
2 710
3 14693
4 203933
5 3861469
6 61239977
7 1073114625
8 17768699385
9 303744206293
10 5099725153529
11 86493302028957
12 1458615553542913
13 24677069062558769
14 416736142368242189
15 7044833158816604637

List of values

[365, 710, 14693, 203933, 3861469, 61239977, 1073114625, 17768699385, 303744206293, 5099725153529, 86493302028957, 1458615553542913, 24677069062558769, 416736142368242189, 7044833158816604637]

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

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