# A048608 (b-file synthesized from sequence entry)
0 1
1 4
2 48
3 96
4 3840
5 30720
6 13440
7 2064384
8 92897280
9 594542592
10 130799370240
11 1121137459200
12 40809403514880
13 816188070297600
14 48971284217856000
15 5484783832399872000
16 62160883433865216000
17 1918107260244983808000