# A149629 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 15
4 67
5 253
6 1141
7 4761
8 21809
9 95305
10 442943
11 1990835
12 9349689
13 42816329
14 202700861
15 940879693
16 4482056645
17 21014667355
18 100605549821
19 475410418383
20 2285165942639
21 10865961601921
22 52404553833985
23 250451522851153
24 1211282416920977
25 5813295183825679
26 28182991495816213
27 135736370637729679