# A115332 (b-file synthesized from sequence entry)
0 1
1 1
2 36
3 256
4 11236
5 181476
6 9461776
7 251412736
8 15256202256
9 574194155536
10 39891552832576
11 1953973812658176
12 153336819846991936
13 9264773325882888256
14 812060124489852846336
15 58352827798669641650176