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.

A049327 A convolution triangle of numbers generalizing Pascal's triangle A007318.

Table of values

n a(n)
1 1
2 15
3 1
4 120
5 30
6 1
7 540
8 465
9 45
10 1
11 1296
12 4680
13 1035
14 60
15 1
16 1296
17 33192
18 15795
19 1830
20 75
21 1
22 0
23 171072
24 176688
25 37260
26 2850
27 90
28 1
29 0
30 641520
31 1521828
32 563409
33 72450
34 4095
35 105
36 1
37 0
38 1710720
39 10359360
40 6686064
41 1375605
42 124740
43 5565
44 120
45 1

List of values

[1, 15, 1, 120, 30, 1, 540, 465, 45, 1, 1296, 4680, 1035, 60, 1, 1296, 33192, 15795, 1830, 75, 1, 0, 171072, 176688, 37260, 2850, 90, 1, 0, 641520, 1521828, 563409, 72450, 4095, 105, 1, 0, 1710720, 10359360, 6686064, 1375605, 124740, 5565, 120, 1]