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.

A073148 Triangle of numbers {a(n,k), n >= 0, 0<=k<=n} defined by a(0,0)=1, a(n,0)=A006013(n), a(n+1,n)=A001764(n+1), a(n,m) = Sum A001764(n-k)*a(n,k), k=0..m.

Table of values

n a(n)
0 1
1 2
2 3
3 7
4 9
5 12
6 30
7 37
8 43
9 55
10 143
11 173
12 194
13 218
14 273
15 728
16 871
17 961
18 1045
19 1155
20 1428
21 3876
22 4604
23 5033
24 5393
25 5778
26 6324
27 7752
28 21318
29 25194
30 27378
31 29094
32 30744
33 32655
34 35511
35 43263
36 120175

List of values

[1, 2, 3, 7, 9, 12, 30, 37, 43, 55, 143, 173, 194, 218, 273, 728, 871, 961, 1045, 1155, 1428, 3876, 4604, 5033, 5393, 5778, 6324, 7752, 21318, 25194, 27378, 29094, 30744, 32655, 35511, 43263, 120175]