# A279663 (b-file synthesized from sequence entry)
0 1
1 1
2 8
3 208
4 12480
5 1435200
6 281299200
7 86640153600
8 39507910041600
9 25482601976832000
10 22424689739612160000
11 26147188236387778560000
12 39429959860472770068480000
13 75350653293363463600865280000
14 179334554838205043370059366400000
15 523656900127558726640573349888000000