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.

A222063 Triangle read by rows: coefficients of third-order hypergeometric-harmonic polynomials.

Table of values

n a(n)
0 0
1 0
2 1
3 0
4 1
5 7
6 0
7 1
8 21
9 47
10 0
11 1
12 49
13 282
14 342
15 0
16 1
17 105
18 1175
19 3420
20 2754
21 0
22 1
23 217
24 4230
25 22230
26 41310
27 24552
28 0
29 1
30 441
31 14147
32 119700
33 385560
34 515592
35 241128
36 0
37 1
38 889
39 45402
40 581742
41 2891700
42 6530832
43 6751584
44 2592720
45 0
46 1
47 1785
48 142175
49 2657340

List of values

[0, 0, 1, 0, 1, 7, 0, 1, 21, 47, 0, 1, 49, 282, 342, 0, 1, 105, 1175, 3420, 2754, 0, 1, 217, 4230, 22230, 41310, 24552, 0, 1, 441, 14147, 119700, 385560, 515592, 241128, 0, 1, 889, 45402, 581742, 2891700, 6530832, 6751584, 2592720, 0, 1, 1785, 142175, 2657340]