# A012958 (b-file synthesized from sequence entry)
0 1
1 4
2 104
3 6694
4 801048
5 153856794
6 43323364476
7 16817632212294
8 8608497639495696
9 5618149971940668018
10 4553225539309052888516
11 4486447408838286577963006
12 5281810573883783813034431960