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.

A349014 G.f. A(x) satisfies: A(x) = 1 + x + x^2 * A(x) / (1 - x) + x^2 * A(x)^2.

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 9
5 20
6 47
7 111
8 270
9 663
10 1656
11 4174
12 10636
13 27308
14 70651
15 183902
16 481436
17 1266515
18 3346793
19 8879116
20 23642034
21 63156917
22 169222939
23 454660940
24 1224650739
25 3306338583
26 8945780742
27 24252558183
28 65872671839
29 179228552638
30 488443704486

List of values

[1, 1, 2, 4, 9, 20, 47, 111, 270, 663, 1656, 4174, 10636, 27308, 70651, 183902, 481436, 1266515, 3346793, 8879116, 23642034, 63156917, 169222939, 454660940, 1224650739, 3306338583, 8945780742, 24252558183, 65872671839, 179228552638, 488443704486]