# A073079 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 6
4 16
5 38
6 103
7 268
8 738
9 2029
10 5723
11 16242
12 46762
13 135584
14 396702
15 1167986
16 3460931
17 10308313
18 30853232
19 92734392
20 279811894
21 847218649
22 2573387068
23 7839150746
24 23943472360
25 73310409148
26 224970044407
27 691817432334