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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.

A156792 Triangle read by rows, T(n,k) = (A156791(n-k+1) * (A006973 * 0^(n-k))).

Table of values

n a(n)
0 1
1 1
2 1
3 6
4 1
5 2
6 7
7 6
8 2
9 9
10 78
11 7
12 12
13 9
14 24
15 420
16 78
17 14
18 54
19 24
20 130
21 6872
22 420
23 156
24 63
25 144
26 130
27 720
28 17253
29 6872
30 840
31 702
32 168
33 780
34 720
35 8505
36 326552
37 17253
38 13744
39 3780
40 1872
41 910
42 4320
43 8505
44 35840

List of values

[1, 1, 1, 6, 1, 2, 7, 6, 2, 9, 78, 7, 12, 9, 24, 420, 78, 14, 54, 24, 130, 6872, 420, 156, 63, 144, 130, 720, 17253, 6872, 840, 702, 168, 780, 720, 8505, 326552, 17253, 13744, 3780, 1872, 910, 4320, 8505, 35840]

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

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