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.

A195232 T(n,k)is the number of lower triangles of an n X n 0..k array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by one or less.

Table of values

n a(n)
1 2
2 3
3 8
4 4
5 15
6 64
7 5
8 22
9 155
10 1024
11 6
12 29
13 246
14 3151
15 32768
16 7
17 36
18 337
19 5428
20 127785
21 2097152
22 8
23 43
24 428
25 7705
26 237818
27 10322065
28 268435456
29 9
30 50
31 519
32 9982
33 348849
34 20729610
35 1663418313
36 68719476736
37 10
38 57
39 610
40 12259
41 459880
42 31374671

List of values

[2, 3, 8, 4, 15, 64, 5, 22, 155, 1024, 6, 29, 246, 3151, 32768, 7, 36, 337, 5428, 127785, 2097152, 8, 43, 428, 7705, 237818, 10322065, 268435456, 9, 50, 519, 9982, 348849, 20729610, 1663418313, 68719476736, 10, 57, 610, 12259, 459880, 31374671]