# A115473 (b-file synthesized from sequence entry)
1 1
2 35
3 903
4 32271
5 2095135
6 268427327
7 68719444095
8 35184371958015
9 36028797018440191
10 73786976294836110335
11 302231454903657285289983
12 2475880078570760549764698111
13 40564819207303340847894368362495