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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.

A238929 T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no element greater than all horizontal neighbors or equal to all vertical neighbors.

Table of values

n a(n)
1 12
2 116
3 36
4 782
5 864
6 144
7 5008
8 13090
9 13456
10 540
11 34302
12 191086
13 611524
14 176224
15 2052
16 238418
17 3025468
18 25080064
19 22636472
20 2391340
21 7776
22 1646042
23 48511734
24 1176627204
25 2531484558
26 873385842
27 32225410
28 29484
29 11326068
30 773430790

List of values

[12, 116, 36, 782, 864, 144, 5008, 13090, 13456, 540, 34302, 191086, 611524, 176224, 2052, 238418, 3025468, 25080064, 22636472, 2391340, 7776, 1646042, 48511734, 1176627204, 2531484558, 873385842, 32225410, 29484, 11326068, 773430790]

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

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