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.

A145370 Lower triangular array, called S1hat(-4), related to partition number array A145369.

Table of values

n a(n)
1 1
2 4
3 1
4 12
5 4
6 1
7 24
8 28
9 4
10 1
11 24
12 72
13 28
14 4
15 1
16 0
17 264
18 136
19 28
20 4
21 1
22 0
23 384
24 456
25 136
26 28
27 4
28 1
29 0
30 864
31 1344
32 712
33 136
34 28
35 4
36 1
37 0
38 576
39 4128
40 2112
41 712
42 136
43 28
44 4
45 1
46 0
47 576
48 7488
49 7968
50 3136
51 712
52 136
53 28
54 4
55 1
56 0
57 0
58 13248
59 20544
60 11040
61 3136
62 712
63 136
64 28
65 4
66 1
67 0
68 0

List of values

[1, 4, 1, 12, 4, 1, 24, 28, 4, 1, 24, 72, 28, 4, 1, 0, 264, 136, 28, 4, 1, 0, 384, 456, 136, 28, 4, 1, 0, 864, 1344, 712, 136, 28, 4, 1, 0, 576, 4128, 2112, 712, 136, 28, 4, 1, 0, 576, 7488, 7968, 3136, 712, 136, 28, 4, 1, 0, 0, 13248, 20544, 11040, 3136, 712, 136, 28, 4, 1, 0, 0]