A249779 - OEIS

A249779 as a simple table

n	a(n)
0	1
1	2
2	2
3	2
4	2
5	22
6	20
7	28
8	2
9	494
10	912
11	1672
12	2376
13	4836
14	4160
15	4184
16	2
17	131038
18	261800
19	522272
20	1035804
21	2053288
22	3977272
23	7742352
24	13942968
25	28016020
26	47111040
27	84948528
28	92072064
29	272727022
30	249686810
31	167376688
32	2
33	8589934526
34	17179867992
35	34359725136

[1,2,2,2,2,22,20,28,2,494,912,1672,2376,4836,4160, 4184,2,131038,261800,522272,1035804,2053288, 3977272,7742352,13942968,28016020,47111040, 84948528,92072064,272727022,249686810,167376688,2, 8589934526,17179867992,34359725136]