# A012064 (b-file synthesized from sequence entry)
0 1
1 3
2 57
3 2747
4 249777
5 36846835
6 8040193769
7 2437436057131
8 981033890934369
9 506479242594080227
10 326455632550618599065
11 257043518901496857566107
12 242838347551317678123524113