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.

A088132 a(n) equals the square of the n-th partial sum added to twice the n-th partial sum of the squares, divided by a(n-1), for all n>1, with a(0)=1, a(1)=3.

Table of values

n a(n)
0 1
1 3
2 12
3 47
4 185
5 728
6 2865
7 11275
8 44372
9 174623
10 687217
11 2704496
12 10643361
13 41886227
14 164840412
15 648718287
16 2552986921
17 10047107272
18 39539710801
19 155605856283
20 612376317860
21 2409965560639
22 9484256386273
23 37324649227232

List of values

[1, 3, 12, 47, 185, 728, 2865, 11275, 44372, 174623, 687217, 2704496, 10643361, 41886227, 164840412, 648718287, 2552986921, 10047107272, 39539710801, 155605856283, 612376317860, 2409965560639, 9484256386273, 37324649227232]