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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.

A280857 Number of nX6 0..2 arrays with no element equal to more than one of its king-move neighbors and with new values introduced in order 0 sequentially upwards.

Table of values

n a(n)
1 82
2 1708
3 678
4 462
5 491
6 712
7 1202
8 2268
9 4220
10 7108
11 11240
12 17330
13 26934
14 43062
15 70776
16 117452
17 193842
18 316394
19 511776
20 825074
21 1333130
22 2163076
23 3521462
24 5738446
25 9343090
26 15187700
27 24659768
28 40027188
29 64994524
30 105599072
31 171639520

List of values

[82, 1708, 678, 462, 491, 712, 1202, 2268, 4220, 7108, 11240, 17330, 26934, 43062, 70776, 117452, 193842, 316394, 511776, 825074, 1333130, 2163076, 3521462, 5738446, 9343090, 15187700, 24659768, 40027188, 64994524, 105599072, 171639520]

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

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