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.

A271235 G.f. equals the square root of P(4*x), where P(x) is the g.f. of the partition numbers (A000041).

Table of values

n a(n)
0 1
1 2
2 14
3 68
4 406
5 1820
6 10892
7 48008
8 266214
9 1248044
10 6454116
11 29642424
12 156638076
13 707729176
14 3551518936
15 16671232784
16 81685862790
17 375557689292
18 1843995831412
19 8437648295384
20 40779718859796
21 188104838512840
22 891508943457064
23 4091507664092016
24 19457793452994012
25 88760334081132280
26 415942096027738728
27 1905990594266105648
28 8875964207106121784
29 40416438507461834160

List of values

[1, 2, 14, 68, 406, 1820, 10892, 48008, 266214, 1248044, 6454116, 29642424, 156638076, 707729176, 3551518936, 16671232784, 81685862790, 375557689292, 1843995831412, 8437648295384, 40779718859796, 188104838512840, 891508943457064, 4091507664092016, 19457793452994012, 88760334081132280, 415942096027738728, 1905990594266105648, 8875964207106121784, 40416438507461834160]