# A082424 (b-file synthesized from sequence entry)
0 1
1 1
2 11
3 41
4 320
5 1917
6 14582
7 100562
8 688427
9 4380888
10 26324611
11 148136566
12 785175771
13 3925637781
14 18586683128
15 83578440418
16 358079558873
17 1465784048253
18 5748270468573
19 21649265291143
20 78483868584001