# A149925 (b-file synthesized from sequence entry)
0 1
1 2
2 5
3 15
4 47
5 163
6 581
7 2127
8 7979
9 30353
10 117875
11 462727
12 1835691
13 7345512
14 29607177
15 120261572
16 491251251
17 2017406965
18 8322270169
19 34475449031
20 143385518330
21 598369350109
22 2504936815151
23 10515729895021
24 44261703490891
25 186758143456491
26 789756587969833
27 3346574844955685