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.

A038455 Triangle read by rows: T(n, k) = [x^k] x*Pochhammer(n + x, n)/(n + x).

Table of values

n a(n)
1 1
2 3
3 1
4 20
5 9
6 1
7 210
8 107
9 18
10 1
11 3024
12 1650
13 335
14 30
15 1
16 55440
17 31594
18 7155
19 805
20 45
21 1
22 1235520
23 725592
24 176554
25 22785
26 1645
27 63
28 1
29 32432400
30 19471500
31 4985316
32 705649
33 59640
34 3010
35 84
36 1
37 980179200
38 598482000
39 159168428
40 24083892
41 2267769
42 136080
43 5082
44 108
45 1

List of values

[1, 3, 1, 20, 9, 1, 210, 107, 18, 1, 3024, 1650, 335, 30, 1, 55440, 31594, 7155, 805, 45, 1, 1235520, 725592, 176554, 22785, 1645, 63, 1, 32432400, 19471500, 4985316, 705649, 59640, 3010, 84, 1, 980179200, 598482000, 159168428, 24083892, 2267769, 136080, 5082, 108, 1]