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.

A091491 Triangle, read by rows, where the n-th diagonal is generated from the n-th row by the sum of the products of the n-th row terms with binomial coefficients.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 4
8 3
9 1
10 1
11 9
12 8
13 4
14 1
15 1
16 23
17 22
18 13
19 5
20 1
21 1
22 65
23 64
24 41
25 19
26 6
27 1
28 1
29 197
30 196
31 131
32 67
33 26
34 7
35 1
36 1
37 626
38 625
39 428
40 232
41 101
42 34
43 8
44 1
45 1
46 2056
47 2055
48 1429
49 804
50 376
51 144
52 43
53 9
54 1
55 1
56 6918
57 6917
58 4861
59 2806
60 1377
61 573
62 197
63 53
64 10
65 1

List of values

[1, 1, 1, 1, 2, 1, 1, 4, 3, 1, 1, 9, 8, 4, 1, 1, 23, 22, 13, 5, 1, 1, 65, 64, 41, 19, 6, 1, 1, 197, 196, 131, 67, 26, 7, 1, 1, 626, 625, 428, 232, 101, 34, 8, 1, 1, 2056, 2055, 1429, 804, 376, 144, 43, 9, 1, 1, 6918, 6917, 4861, 2806, 1377, 573, 197, 53, 10, 1]