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.

A270250 Triangle read by rows: coefficients of the polynomial (Sum_{i=0..k} (Product_{j=0..i} (x+j)))/(x*(x+2)).

Table of values

n a(n)
1 1
2 2
3 1
4 5
5 5
6 1
7 17
8 24
9 9
10 1
11 77
12 131
13 68
14 14
15 1
16 437
17 833
18 529
19 151
20 20
21 1
22 2957
23 6107
24 4458
25 1571
26 290
27 27
28 1
29 23117
30 50819
31 41164
32 16860
33 3870
34 505
35 35
36 1
37 204557
38 473387
39 416230
40 191167
41 51379
42 8387
43 819
44 44
45 1
46 2018957
47 4880507
48 4589458
49 2309303
50 700776
51 134716
52 16541
53 1258
54 54
55 1

List of values

[1, 2, 1, 5, 5, 1, 17, 24, 9, 1, 77, 131, 68, 14, 1, 437, 833, 529, 151, 20, 1, 2957, 6107, 4458, 1571, 290, 27, 1, 23117, 50819, 41164, 16860, 3870, 505, 35, 1, 204557, 473387, 416230, 191167, 51379, 8387, 819, 44, 1, 2018957, 4880507, 4589458, 2309303, 700776, 134716, 16541, 1258, 54, 1]