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.

A259859 a(0)=0; thereafter A003470(n-1) + A003470(n) - 1.

Table of values

n a(n)
0 0
1 1
2 3
3 10
4 38
5 177
6 999
7 6676
8 51564
9 451585
10 4418555
11 47746686
12 564528978
13 7247396065
14 100378220943
15 1491699317032
16 23673159231704
17 399553959924801
18 7146023007880179
19 134997604341408370
20 2686037319660797310
21 56143557248353416721
22 1229914413684635491703

List of values

[0, 1, 3, 10, 38, 177, 999, 6676, 51564, 451585, 4418555, 47746686, 564528978, 7247396065, 100378220943, 1491699317032, 23673159231704, 399553959924801, 7146023007880179, 134997604341408370, 2686037319660797310, 56143557248353416721, 1229914413684635491703]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.