# A215242 (b-file synthesized from sequence entry)
0 1
1 4
2 26
3 256
4 3489
5 61696
6 1352518
7 35566368
8 1094499820
9 38670814348
10 1545160614694
11 68970980789472
12 3404652821768232
13 184295822142051600
14 10861040169788302030
15 692560292664515634112
16 47527552597795293035916
17 3493783983256399634130360
18 273974326317024551368217200