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.

A086606 Triangle, read by rows, where the n-th row is the first n terms of the n-th self-convolution of the sequence formed by flattening this triangle.

Table of values

n a(n)
0 1
1 1
2 2
3 1
4 3
5 9
6 1
7 4
8 14
9 32
10 1
11 5
12 20
13 55
14 140
15 1
16 6
17 27
18 86
19 243
20 630
21 1
22 7
23 35
24 126
25 392
26 1099
27 2870
28 1
29 8
30 44
31 176
32 598
33 1808
34 5048
35 13256
36 1
37 9
38 54
39 237
40 873
41 2835
42 8433
43 23454
44 61389
45 1
46 10
47 65
48 310
49 1230
50 4272
51 13495
52 39640
53 109400
54 286710
55 1
56 11
57 77

List of values

[1, 1, 2, 1, 3, 9, 1, 4, 14, 32, 1, 5, 20, 55, 140, 1, 6, 27, 86, 243, 630, 1, 7, 35, 126, 392, 1099, 2870, 1, 8, 44, 176, 598, 1808, 5048, 13256, 1, 9, 54, 237, 873, 2835, 8433, 23454, 61389, 1, 10, 65, 310, 1230, 4272, 13495, 39640, 109400, 286710, 1, 11, 77]