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.

A113867 a(n) = a(n-1) + 2^(A047258(n)) for n>1, a(1)=1.

Table of values

n a(n)
1 1
2 17
3 49
4 113
5 1137
6 3185
7 7281
8 72817
9 203889
10 466033
11 4660337
12 13048945
13 29826161
14 298261617
15 835132529
16 1908874353
17 19088743537
18 53448481905
19 122167958641
20 1221679586417
21 3420702841969
22 7818749353073
23 78187493530737

List of values

[1, 17, 49, 113, 1137, 3185, 7281, 72817, 203889, 466033, 4660337, 13048945, 29826161, 298261617, 835132529, 1908874353, 19088743537, 53448481905, 122167958641, 1221679586417, 3420702841969, 7818749353073, 78187493530737]