Logo

A001419 formatted as a simple table:

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 1
8 6
9 37
10 195
11 979
12 4663
13 21474
14 96496
15 425449
16 1849252
17 7946380
18 33840946
19 143060339
20 601165888
21 2513617990
22 10466220315
23 43425174374

[0,0,0,0,0,0,1,6,37,195,979,4663,21474,96496,
 425449,1849252,7946380,33840946,143060339,
 601165888,2513617990,10466220315,43425174374]

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 1 13:27 EST 2009. Contains 167806 sequences.


AT&T Labs Research