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.

A381867 G.f. A(x) satisfies A(x) = C(x*A(x)) / (1 - x)^2, where C(x) is the g.f. of A000108.

Table of values

n a(n)
0 1
1 3
2 10
3 44
4 239
5 1464
6 9610
7 65946
8 466951
9 3385259
10 24999475
11 187385168
12 1421901090
13 10901237530
14 84312106160
15 657031204068
16 5153954345309
17 40663760712441
18 322478148002872
19 2569086552458460
20 20551321340065924
21 165009872444132477
22 1329352163579556971
23 10742386009423170696

List of values

[1, 3, 10, 44, 239, 1464, 9610, 65946, 466951, 3385259, 24999475, 187385168, 1421901090, 10901237530, 84312106160, 657031204068, 5153954345309, 40663760712441, 322478148002872, 2569086552458460, 20551321340065924, 165009872444132477, 1329352163579556971, 10742386009423170696]