# A203775 (b-file synthesized from sequence entry)
1 1
2 20
3 1170
4 136000
5 26276900
6 7605187200
7 3079172005000
8 1661435709440000
9 1152219238256970000
10 998612074565747200000
11 1057635292751424744500000
12 1344007509419503558656000000
13 2018255243962112126438545000000