Logo

A050624 formatted as a simple table:

n a(n)
1 1
2 2
3 4
4 13
5 42
6 138
7 458
8 1525
9 5081
10 16936
11 56451
12 188168
13 627226
14 2090752
15 6969172
16 23230574
17 77435244
18 258117480
19 860391598
20 2867971991
21 9559906636
22 31866355454
23 106221184845
24 354070616148
25 1180235387158
26 3934117957192

[1,2,4,13,42,138,458,1525,5081,16936,56451,188168,
 627226,2090752,6969172,23230574,77435244,
 258117480,860391598,2867971991,9559906636,
 31866355454,106221184845,354070616148,
 1180235387158,3934117957192]

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


AT&T Labs Research