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.

A145373 Lower triangular array, called S1hat(-5), related to partition number array A145372.

Table of values

n a(n)
1 1
2 5
3 1
4 20
5 5
6 1
7 60
8 45
9 5
10 1
11 120
12 160
13 45
14 5
15 1
16 120
17 820
18 285
19 45
20 5
21 1
22 0
23 1920
24 1320
25 285
26 45
27 5
28 1
29 0
30 6600
31 5420
32 1945
33 285
34 45
35 5
36 1
37 0
38 9600
39 23600
40 7920
41 1945
42 285
43 45
44 5
45 1
46 0
47 21600
48 66600
49 41100
50 11045
51 1945
52 285
53 45
54 5
55 1
56 0
57 14400
58 189600
59 151600
60 53600
61 11045

List of values

[1, 5, 1, 20, 5, 1, 60, 45, 5, 1, 120, 160, 45, 5, 1, 120, 820, 285, 45, 5, 1, 0, 1920, 1320, 285, 45, 5, 1, 0, 6600, 5420, 1945, 285, 45, 5, 1, 0, 9600, 23600, 7920, 1945, 285, 45, 5, 1, 0, 21600, 66600, 41100, 11045, 1945, 285, 45, 5, 1, 0, 14400, 189600, 151600, 53600, 11045]