# A073191 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 4
4 11
5 31
6 96
7 305
8 1007
9 3389
10 11636
11 40498
12 142714
13 507870
14 1823040
15 6591885
16 23989419
17 87795473
18 322922652
19 1193058230
20 4425547638
21 16475756738
22 61539293424
23 230548633954
24 866095934598
25 3261868457698
26 12313423931624