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.

A275134 Number of 5Xn 0..2 arrays with no element equal to any value at offset (-2,-2) (-1,0) or (-1,1) and new values introduced in order 0..2.

Table of values

n a(n)
1 8
2 108
3 373
4 2178
5 12423
6 71576
7 412306
8 2381629
9 13727957
10 79158451
11 456572944
12 2633093481
13 15185124732
14 87573269532
15 505049273961
16 2912660248825
17 16797581275481
18 96873339396362
19 558678129749247
20 3221951115220504

List of values

[8, 108, 373, 2178, 12423, 71576, 412306, 2381629, 13727957, 79158451, 456572944, 2633093481, 15185124732, 87573269532, 505049273961, 2912660248825, 16797581275481, 96873339396362, 558678129749247, 3221951115220504]

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

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