# A083586 (b-file synthesized from sequence entry)
0 0
1 1
2 5
3 22
4 96
5 419
6 1819
7 7824
8 33302
9 140317
10 585873
11 2427146
12 9989068
13 40886295
14 166600967
15 676368388
16 2737758594
17 11055063953
18 44553867901
19 179280877950
20 720513441080
21 2892804682891
22 11605214879475
23 46528078138232