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.

A060801 Invert transform of odd numbers: a(n) = Sum_{k=1..n} (2*k+1)*a(n-k), a(0)=1.

Table of values

n a(n)
0 1
1 3
2 14
3 64
4 292
5 1332
6 6076
7 27716
8 126428
9 576708
10 2630684
11 12000004
12 54738652
13 249693252
14 1138988956
15 5195558276
16 23699813468
17 108107950788
18 493140127004
19 2249484733444
20 10261143413212
21 46806747599172
22 213511451169436

List of values

[1, 3, 14, 64, 292, 1332, 6076, 27716, 126428, 576708, 2630684, 12000004, 54738652, 249693252, 1138988956, 5195558276, 23699813468, 108107950788, 493140127004, 2249484733444, 10261143413212, 46806747599172, 213511451169436]