# A150481 (b-file synthesized from sequence entry)
0 1
1 2
2 7
3 25
4 100
5 399
6 1660
7 7028
8 30265
9 131548
10 577067
11 2554851
12 11384675
13 51011848
14 229590201
15 1038105708
16 4711833524
17 21456575383
18 97983632503
19 448663687172
20 2059525875127
21 9474582167612
22 43671093644170
23 201657059846711
24 932772715676731
25 4321308619876246
26 20047851324468814
27 93130091910523986