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.

A162589 G.f.: A(x) = exp( Sum_{n>=1} 2^n*A006519(n) * x^n/n ), where A006519(n) = highest power of 2 dividing n.

Table of values

n a(n)
0 1
1 2
2 6
3 12
4 38
5 76
6 188
7 376
8 1094
9 2188
10 5236
11 10472
12 26076
13 52152
14 118840
15 237680
16 612678
17 1225356
18 2804420
19 5608840
20 13279604
21 26559208
22 59074504
23 118149008
24 277925148
25 555850296
26 1228260104
27 2456520208
28 5552652792
29 11105305584

List of values

[1, 2, 6, 12, 38, 76, 188, 376, 1094, 2188, 5236, 10472, 26076, 52152, 118840, 237680, 612678, 1225356, 2804420, 5608840, 13279604, 26559208, 59074504, 118149008, 277925148, 555850296, 1228260104, 2456520208, 5552652792, 11105305584]