A038041 - OEIS

A038041 as a simple table

n	a(n)
1	1
2	2
3	2
4	5
5	2
6	27
7	2
8	142
9	282
10	1073
11	2
12	32034
13	2
14	136853
15	1527528
16	4661087
17	2
18	227932993
19	2
20	3689854456
21	36278688162
22	13749663293
23	2
24	14084955889019
25	5194672859378
26	7905858780927
27	2977584150505252
28	13422745388226152
29	2
30	1349877580746537123
31	2

[1,2,2,5,2,27,2,142,282,1073,2,32034,2,136853, 1527528,4661087,2,227932993,2,3689854456, 36278688162,13749663293,2,14084955889019, 5194672859378,7905858780927,2977584150505252, 13422745388226152,2,1349877580746537123,2]