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.

A168594 G.f. A(x) satisfies: A(x) = F(x/A(x)) where A(x*F(x)) = F(x) = g.f. of A133053, which is the squares of Motzkin numbers (A001006).

Table of values

n a(n)
0 1
1 1
2 3
3 6
4 20
5 70
6 302
7 1386
8 6902
9 35862
10 194202
11 1082642
12 6191680
13 36141118
14 214715244
15 1294849186
16 7911159522
17 48888093910
18 305165808290
19 1921992409066
20 12202404037088
21 78031629139246
22 502263432618224
23 3252160882871210

List of values

[1, 1, 3, 6, 20, 70, 302, 1386, 6902, 35862, 194202, 1082642, 6191680, 36141118, 214715244, 1294849186, 7911159522, 48888093910, 305165808290, 1921992409066, 12202404037088, 78031629139246, 502263432618224, 3252160882871210]