# A159277 (b-file synthesized from sequence entry)
0 1
1 0
2 8
3 32
4 384
5 2560
6 22528
7 172032
8 1409024
9 11141120
10 89653248
11 715128832
12 5729419264
13 45801799680
14 366548615168
15 2931852050432
16 23456963887104
17 187647121162240
18 1501211329036288
19 12009553193336832
20 96076975302508544