Logo

A121551 formatted as a simple table:

n a(n)
1 1
2 3
3 8
4 19
5 44
6 98
7 213
8 457
9 965
10 2018
11 4183
12 8604
13 17594
14 35780
15 72428
16 146024
17 293335
18 587386
19 1172836
20 2335761
21 4640947
22 9201531
23 18208325
24 35967145
25 70929855
26 139667107
27 274630886
28 539309530
29 1057789244
30 2072370716

[1,3,8,19,44,98,213,457,965,2018,4183,8604,17594,
 35780,72428,146024,293335,587386,1172836,2335761,
 4640947,9201531,18208325,35967145,70929855,
 139667107,274630886,539309530,1057789244,
 2072370716]

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 20 16:54 EST 2009. Contains 171081 sequences.


AT&T Labs Research