# A024294 (b-file synthesized from sequence entry)
0 0
1 1
2 10
3 259
4 13716
5 1202597
6 156277214
7 28120098599
8 6684923466280
9 2028010061105865
10 764351278731173810
11 350322324985907812811
12 191861297592547526873020
13 123738773021830120012762477