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.

A381787 G.f. A(x) satisfies A(x) = (1 + x) * C(x*A(x)), where C(x) is the g.f. of A000108.

Table of values

n a(n)
0 1
1 2
2 5
3 22
4 112
5 623
6 3664
7 22405
8 141002
9 907228
10 5940663
11 39459873
12 265228359
13 1800608563
14 12328843910
15 85040632504
16 590371016188
17 4121775003434
18 28921911896836
19 203854515625194
20 1442669458817907
21 10247020573880520
22 73024240955785936
23 521973882076798493

List of values

[1, 2, 5, 22, 112, 623, 3664, 22405, 141002, 907228, 5940663, 39459873, 265228359, 1800608563, 12328843910, 85040632504, 590371016188, 4121775003434, 28921911896836, 203854515625194, 1442669458817907, 10247020573880520, 73024240955785936, 521973882076798493]