# A069150 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 24
5 720
6 4480
7 3628800
8 1925
9 479001600
10 387459072
11 20922789888000
12 6402373705728000
13 5516784599040000
14 1124000727777607680000
15 135277939046250
16 24817936069329577574400
17 553211880832106496000000