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.

A208657 Triangular array read by rows: n*binomial(n,n-k+1)-binomial(n-1,n-k) with k = 1..n, n >= 1.

Table of values

n a(n)
1 0
2 1
3 3
4 2
5 7
6 8
7 3
8 13
9 21
10 15
11 4
12 21
13 44
14 46
15 24
16 5
17 31
18 80
19 110
20 85
21 35
22 6
23 43
24 132
25 225
26 230
27 141
28 48
29 7
30 57
31 203
32 413
33 525
34 427
35 217
36 63
37 8
38 73
39 296
40 700
41 1064
42 1078
43 728
44 316
45 80
46 9
47 91
48 414
49 1116
50 1974
51 2394
52 2016
53 1164
54 441
55 99
56 10
57 111
58 560
59 1695

List of values

[0, 1, 3, 2, 7, 8, 3, 13, 21, 15, 4, 21, 44, 46, 24, 5, 31, 80, 110, 85, 35, 6, 43, 132, 225, 230, 141, 48, 7, 57, 203, 413, 525, 427, 217, 63, 8, 73, 296, 700, 1064, 1078, 728, 316, 80, 9, 91, 414, 1116, 1974, 2394, 2016, 1164, 441, 99, 10, 111, 560, 1695]