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.

A062145 Triangle read by rows: T(n, k) = [z^k] P(n, z) where P(n, z) = Sum_{k=0..n} binomial(n, k) * Pochhammer(n - k + c, k) * z^k / k! and c = 4.

Table of values

n a(n)
0 1
1 1
2 4
3 1
4 10
5 10
6 1
7 18
8 45
9 20
10 1
11 28
12 126
13 140
14 35
15 1
16 40
17 280
18 560
19 350
20 56
21 1
22 54
23 540
24 1680
25 1890
26 756
27 84
28 1
29 70
30 945
31 4200
32 7350
33 5292
34 1470
35 120
36 1
37 88
38 1540
39 9240
40 23100
41 25872
42 12936
43 2640
44 165
45 1
46 108
47 2376
48 18480
49 62370
50 99792
51 77616
52 28512
53 4455
54 220

List of values

[1, 1, 4, 1, 10, 10, 1, 18, 45, 20, 1, 28, 126, 140, 35, 1, 40, 280, 560, 350, 56, 1, 54, 540, 1680, 1890, 756, 84, 1, 70, 945, 4200, 7350, 5292, 1470, 120, 1, 88, 1540, 9240, 23100, 25872, 12936, 2640, 165, 1, 108, 2376, 18480, 62370, 99792, 77616, 28512, 4455, 220]