Logo

A000386 formatted as a simple table:

n a(n)
0 0
1 0
2 0
3 1
4 6
5 20
6 134
7 915
8 7324
9 65784
10 657180
11 7223637
12 86637650
13 1125842556
14 15757002706
15 236298742375
16 3780061394232
17 64251145312880
18 1156374220457784
19 21968796934412649
20 439337048505773790
21 9225384943965382564
22 202945418255342821470

[0,0,0,1,6,20,134,915,7324,65784,657180,7223637,
 86637650,1125842556,15757002706,236298742375,
 3780061394232,64251145312880,1156374220457784,
 21968796934412649,439337048505773790,
 9225384943965382564,202945418255342821470]

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 2 11:54 EST 2009. Contains 167921 sequences.


AT&T Labs Research