Logo

A154757 formatted as a simple table:

n a(n)
1 1
2 1
3 3
4 14
5 83
6 574
7 4433
8 37274
9 335751
10 3204616
11 32159272
12 337383121
13 3684215369
14 41735965645
15 489173496890
16 5919292080009
17 73818803114991
18 947369389903293
19 12496580900037441
20 169248542357479944

[1,1,3,14,83,574,4433,37274,335751,3204616,
 32159272,337383121,3684215369,41735965645,
 489173496890,5919292080009,73818803114991,
 947369389903293,12496580900037441,
 169248542357479944]

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 5 20:25 EST 2009. Contains 170428 sequences.


AT&T Labs Research