# A014496 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 0
4 646380
5 24820992
6 565367040
7 7735875840
8 74930308740
9 554813521920
10 3327411177216
11 16817959549440
12 73810081135980
13 287829601113600
14 1014561150624000
15 3277808159415552
16 9820670338068660