A366929 - 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

A366929 as a simple table

n	a(n)
1	1
2	2
3	3
4	7
5	23
6	47
7	139
8	283
9	659
10	1319
11	8637
12	20147
13	83491
14	169861
15	999013
16	3797401
17	8153567
18	55443959
19	187814447
20	646611887

[1,2,3,7,23,47,139,283,659,1319,8637,20147,83491, 169861,999013,3797401,8153567,55443959,187814447, 646611887]