A297672 - 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

A297672 as a simple table

n	a(n)
1	1
2	0
3	0
4	0
5	1
6	1
7	1
8	0
9	3
10	1
11	1
12	1
13	6
14	6
15	6
16	2
17	20
18	10
19	10
20	10
21	50
22	50
23	50
24	25
25	175
26	105
27	105
28	105
29	490
30	490
31	490
32	294
33	1764
34	1176
35	1176
36	1176
37	5292
38	5292
39	5292
40	3528
41	19404
42	13860
43	13860

[1,0,0,0,1,1,1,0,3,1,1,1,6,6,6,2,20,10,10,10,50, 50,50,25,175,105,105,105,490,490,490,294,1764, 1176,1176,1176,5292,5292,5292,3528,19404,13860, 13860]