# A151181 (b-file synthesized from sequence entry)
0 1
1 3
2 12
3 50
4 230
5 1059
6 5043
7 24073
8 116650
9 566294
10 2770564
11 13575457
12 66809023
13 329196128
14 1626369177
15 8042962723
16 39842574055
17 197525771175
18 980382103175
19 4869026293964
20 24201218678644
21 120351728434595
22 598854576465375
23 2981035269045935
24 14845798328053850
25 73957590749549226
26 368560458686376624