# A074047 (b-file synthesized from sequence entry)
1 1
2 1
3 1
4 3
5 7
6 31
7 331
8 12795
9 4642051
10 60935796571
11 283646808320375611
12 17285560913056915909539455163
13 4902995236325455290013100337511909917402705547