# A170904 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 2
4 24
5 572
6 21280
7 1074390
8 70299264
9 5792903144
10 587159944704
11 71822748886440
12 10435273503677440
13 1776780701352504408
14 350461958856515690496
15 79284041282799128098778
16 20392765404792755583221760
17 5917934230798152486136427600
18 1924427226324694427836833857536