# A177409 (b-file synthesized from sequence entry)
1 1
2 2
3 12
4 108
5 1208
6 15536
7 220832
8 3390480
9 55411872
10 954553664
11 17211258240
12 323148560768
13 6293245904640
14 126740607526400
15 2633207863038976
16 56330595706808576
17 1238815010325576192
18 27970477203200824320