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.

A137593 Triangle read by rows: matrix product A000012 * A136717.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 4
6 4
7 1
8 4
9 16
10 12
11 1
12 4
13 16
14 84
15 48
16 1
17 4
18 16
19 156
20 504
21 192
22 1
23 4
24 16
25 156
26 1464
27 3312
28 960
29 1
30 4
31 16
32 156
33 1464
34 14112
35 24720
36 5760
37 1
38 4
39 16
40 156
41 1464
42 24912
43 158640
44 189360
45 34560
46 1
47 4
48 16
49 156
50 1464
51 24912
52 400560
53 1761840
54 1607040
55 241920

List of values

[1, 1, 2, 1, 4, 4, 1, 4, 16, 12, 1, 4, 16, 84, 48, 1, 4, 16, 156, 504, 192, 1, 4, 16, 156, 1464, 3312, 960, 1, 4, 16, 156, 1464, 14112, 24720, 5760, 1, 4, 16, 156, 1464, 24912, 158640, 189360, 34560, 1, 4, 16, 156, 1464, 24912, 400560, 1761840, 1607040, 241920]

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

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