# A367751 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 13
4 73
5 501
6 4051
7 37633
8 394353
9 4596553
10 58941091
11 844031541
12 12949163833
13 213873687613
14 3782022682803
15 71267635330921
16 1439160383457121
17 30612704101371153
18 686728250047551043
19 16198763975779425373
20 400727742254252310441