Logo

A006747 formatted as a simple table:

n a(n)
4 1
5 1
6 5
7 4
8 18
9 19
10 73
11 73
12 278
13 283
14 1076
15 1090
16 4125
17 4183
18 15939
19 16105
20 61628
21 62170
22 239388
23 240907
24 932230
25 936447
26 3641945
27 3651618
28 14262540

[1,1,5,4,18,19,73,73,278,283,1076,1090,4125,4183,
 15939,16105,61628,62170,239388,240907,932230,
 936447,3641945,3651618,14262540]

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 15 00:47 EST 2009. Contains 170825 sequences.


AT&T Labs Research