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.

A211248 G.f. satisfies: A(x) = (1 + x*A(x)^3) * (1 + x^2*A(x)^4).

Table of values

n a(n)
0 1
1 1
2 4
3 20
4 114
5 703
6 4565
7 30752
8 212921
9 1505916
10 10833164
11 79018804
12 583062388
13 4344431508
14 32641910199
15 247033970128
16 1881402836376
17 14408753414558
18 110897147057354
19 857307054338476
20 6653979156676983
21 51831065993122915
22 405060413133136902
23 3175019470333290488

List of values

[1, 1, 4, 20, 114, 703, 4565, 30752, 212921, 1505916, 10833164, 79018804, 583062388, 4344431508, 32641910199, 247033970128, 1881402836376, 14408753414558, 110897147057354, 857307054338476, 6653979156676983, 51831065993122915, 405060413133136902, 3175019470333290488]