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.

A144275 Lower triangular array called S2hat(-2) related to partition number array A144274.

Table of values

n a(n)
1 1
2 2
3 1
4 10
5 2
6 1
7 80
8 14
9 2
10 1
11 880
12 100
13 14
14 2
15 1
16 12320
17 1140
18 108
19 14
20 2
21 1
22 209440
23 14880
24 1180
25 108
26 14
27 2
28 1
29 4188800
30 249280
31 15400
32 1196
33 108
34 14
35 2
36 1
37 96342400
38 4801280
39 255400
40 15480
41 1196
42 108
43 14
44 2
45 1
46 2504902400
47 108574400
48 4888960
49 256440
50 15512

List of values

[1, 2, 1, 10, 2, 1, 80, 14, 2, 1, 880, 100, 14, 2, 1, 12320, 1140, 108, 14, 2, 1, 209440, 14880, 1180, 108, 14, 2, 1, 4188800, 249280, 15400, 1196, 108, 14, 2, 1, 96342400, 4801280, 255400, 15480, 1196, 108, 14, 2, 1, 2504902400, 108574400, 4888960, 256440, 15512]

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

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