# A139159 (b-file synthesized from sequence entry)
1 3
2 7
3 121
4 5041
5 39916801
6 6227020801
7 355687428096001
8 121645100408832001
9 25852016738884976640001
10 8841761993739701954543616000001
11 8222838654177922817725562880000001