# A098696 (b-file synthesized from sequence entry)
0 1
1 4
2 104
3 6544
4 765344
5 143639104
6 39511297664
7 14979797833984
8 7487442077817344
9 4770988535512474624
10 3774873839360539879424
11 3630982576832133263233024
12 4172729918808369709126098944