# A364111 (b-file synthesized from sequence entry)
0 1
1 4
2 76
3 2560
4 106060
5 4864504
6 237354880
7 12079462560
8 633885607500
9 34050190896040
10 1863047125801576
11 103465470769890112
12 5817117095161011328
13 330450303019252600240
14 18937657945720403830240
15 1093557503049551583194560
16 63566414131528881235953228
17 3716526456851323626808570632