# A316661 (b-file synthesized from sequence entry)
0 1
1 2
2 4
3 15
4 64
5 317
6 1728
7 10268
8 65536
9 445376
10 3200000
11 24172677
12 191102976
13 1575167570
14 13492928512
15 119786923327
16 1099511627776
17 10412878353557
18 101559956668416
19 1018460448140641
20 10485760000000000
21 110692335104026964
22 1196683881290399744