A271646 - 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

A271646 as a simple table

n	a(n)
1	0
2	1
3	2
4	9
5	13
6	14
7	15
8	17
9	22
10	23
11	80
12	297
13	393
14	524
15	591
16	1107
17	1135
18	1179
19	1442
20	2819
21	3549
22	3756
23	3837
24	4903
25	5277
26	5639
27	7230
28	13147
29	14828
30	16158
31	18119
32	28880
33	99275
34	212339
35	254639

[0,1,2,9,13,14,15,17,22,23,80,297,393,524,591, 1107,1135,1179,1442,2819,3549,3756,3837,4903,5277, 5639,7230,13147,14828,16158,18119,28880,99275, 212339,254639]