# A130464 (b-file synthesized from sequence entry)
0 1
1 2
2 12
3 83
4 617
5 4759
6 37649
7 303372
8 2480181
9 20518329
10 171457967
11 1445229218
12 12274844031
13 104959302925
14 902902513636
15 7809311838692
16 67875146116705
17 592568780652517
18 5194275815373130
19 45700207950481330
20 403444930677602011