A083862 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A083862 as a simple table

n	a(n)
0	0
1	1
2	3
3	10
4	39
5	171
6	819
7	4229
8	23247
9	135088
10	824163
11	5255361
12	34876647
13	240130801
14	1710323667
15	12572548582
16	95183606559
17	740843916471
18	5918533467075
19	48463830575837
20	406239439253175
21	3481899731310196

[0,1,3,10,39,171,819,4229,23247,135088,824163, 5255361,34876647,240130801,1710323667,12572548582, 95183606559,740843916471,5918533467075, 48463830575837,406239439253175,3481899731310196]