# A049602 (b-file synthesized from sequence entry)
0 0
1 1
2 1
3 5
4 9
5 30
6 68
7 195
8 483
9 1309
10 3355
11 8900
12 23112
13 60813
14 158717
15 416325
16 1088661
17 2852242
18 7463884
19 19546175
20 51163695
21 133962621
22 350695511
23 918170280
24 2403740304
25 6293172025
26 16475579353
27 43133883845
28 112925557953