A220701 - 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

A220701 as a simple table

n	a(n)
1	1
2	2
3	4
4	5
5	7
6	17
7	22
8	47
9	155
10	167
11	203
12	277
13	469
14	629
15	890
16	1427
17	4507
18	5705
19	6095
20	9808
21	10108
22	12797
23	16184
24	31535
25	33575

[1,2,4,5,7,17,22,47,155,167,203,277,469,629,890, 1427,4507,5705,6095,9808,10108,12797,16184,31535, 33575]