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.

A013618 Triangle of coefficients in expansion of (1+11x)^n.

Table of values

n a(n)
0 1
1 1
2 11
3 1
4 22
5 121
6 1
7 33
8 363
9 1331
10 1
11 44
12 726
13 5324
14 14641
15 1
16 55
17 1210
18 13310
19 73205
20 161051
21 1
22 66
23 1815
24 26620
25 219615
26 966306
27 1771561
28 1
29 77
30 2541
31 46585
32 512435
33 3382071
34 12400927
35 19487171
36 1
37 88
38 3388
39 74536
40 1024870
41 9018856
42 49603708
43 155897368
44 214358881

List of values

[1, 1, 11, 1, 22, 121, 1, 33, 363, 1331, 1, 44, 726, 5324, 14641, 1, 55, 1210, 13310, 73205, 161051, 1, 66, 1815, 26620, 219615, 966306, 1771561, 1, 77, 2541, 46585, 512435, 3382071, 12400927, 19487171, 1, 88, 3388, 74536, 1024870, 9018856, 49603708, 155897368, 214358881]