# A056460 (b-file synthesized from sequence entry)
1 4
2 0
3 12
4 12
5 60
6 48
7 252
8 240
9 1008
10 960
11 4092
12 4020
13 16380
14 16128
15 65460
16 65280
17 262140
18 261072
19 1048572
20 1047540
21 4194036
22 4190208
23 16777212
24 16772880
25 67108800
26 67092480
27 268434432
28 268419060
29 1073741820
30 1073675280
31 4294967292
32 4294901760
33 17179865076
34 17179607040
35 68719476420