# A257319 (b-file synthesized from sequence entry)
1 0
2 1840
3 88320
4 4152880
5 195187200
6 9173800240
7 431168613120
8 20264924818480
9 952451466470400
10 44765218924110640
11 2103965289433201920
12 98886368603360492080
13 4647659324357943129600
14 218439988244823327093040
15 10266679447506696373374720