# A149505 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 11
4 47
5 143
6 577
7 2003
8 8189
9 29843
10 124731
11 468077
12 1982325
13 7615769
14 32504611
15 127166593
16 545613979
17 2165128349
18 9325666379
19 37427761149
20 161750060809
21 655060952797
22 2839806387621
23 11585998089283
24 50367957492719
25 206787708777655
26 901090052665549
27 3719799128226609