# A149190 (b-file synthesized from sequence entry)
0 1
1 1
2 4
3 10
4 37
5 131
6 463
7 1791
8 6833
9 26461
10 105324
11 418000
12 1684410
13 6836168
14 27822562
15 114359718
16 471222489
17 1949627785
18 8111429509
19 33814239567
20 141474465630
21 593788937120
22 2497289823470
23 10532283248988
24 44511268227061
25 188474107078536
26 799722370589753
27 3398695398963970