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.

A118354 Convolution triangle, read by rows, where diagonals are successive self-convolutions of A118351.

Table of values

n a(n)
0 1
1 1
2 0
3 1
4 1
5 0
6 1
7 2
8 6
9 0
10 1
11 3
12 13
13 42
14 0
15 1
16 4
17 21
18 96
19 325
20 0
21 1
22 5
23 30
24 163
25 770
26 2688
27 0
28 1
29 6
30 40
31 244
32 1353
33 6530
34 23286
35 0
36 1
37 7
38 51
39 340
40 2093
41 11760
42 57612
43 208659
44 0
45 1
46 8
47 63
48 452
49 3010
50 18636
51 105681
52 523446
53 1918314
54 0
55 1
56 9
57 76
58 581
59 4125
60 27441
61 170580
62 973953
63 4864795
64 17994264
65 0

List of values

[1, 1, 0, 1, 1, 0, 1, 2, 6, 0, 1, 3, 13, 42, 0, 1, 4, 21, 96, 325, 0, 1, 5, 30, 163, 770, 2688, 0, 1, 6, 40, 244, 1353, 6530, 23286, 0, 1, 7, 51, 340, 2093, 11760, 57612, 208659, 0, 1, 8, 63, 452, 3010, 18636, 105681, 523446, 1918314, 0, 1, 9, 76, 581, 4125, 27441, 170580, 973953, 4864795, 17994264, 0]