# A153553 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 57
4 781
5 20279
6 989864
7 91377864
8 15933677137
9 5246093512391
10 3262374894683471
11 3831614279502257675
12 8499107956072261758908
13 35605260751502551680547117
14 281710507240517708494081629167