# A062455 (b-file synthesized from sequence entry)
0 1
1 0
2 1
3 7
4 30
5 105
6 336
7 1001
8 2841
9 7733
10 20309
11 51720
12 128170
13 309980
14 733390
15 1700803
16 3872770
17 8670938
18 19113100
19 41523358
20 88995738
21 188335956
22 393837052
23 814361551
24 1666112092
25 3374591118
26 6770019118
27 13459008137