A155915 - OEIS

A155915 as a simple table

n	a(n)
0	1
1	2
2	2
3	13
4	22
5	13
6	172
7	308
8	308
9	172
10	3281
11	7276
12	5766
13	7276
14	3281
15	80526
16	228822
17	174492
18	174492
19	228822
20	80526
21	2413405
22	8495474
23	8083699
24	4592764
25	8083699
26	8495474
27	2413405
28	85429688
29	359918120
30	440763192
31	220914920
32	220914920

[1,2,2,13,22,13,172,308,308,172,3281,7276,5766, 7276,3281,80526,228822,174492,174492,228822,80526, 2413405,8495474,8083699,4592764,8083699,8495474, 2413405,85429688,359918120,440763192,220914920, 220914920]