# A149176 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 10
4 35
5 119
6 429
7 1581
8 6038
9 23087
10 91042
11 358768
12 1440873
13 5803823
14 23629737
15 96654265
16 397874034
17 1645654096
18 6836257980
19 28512765053
20 119339831451
21 501063355871
22 2110078757237
23 8908472945971
24 37704509580036
25 159925254478473
26 679736532427123
27 2894506638868260
28 12347124354033813