# A149774 (b-file synthesized from sequence entry)
0 1
1 1
2 5
3 19
4 79
5 329
6 1427
7 6303
8 28543
9 129815
10 594231
11 2743043
12 12763939
13 59677967
14 280202503
15 1320670335
16 6246890303
17 29642553197
18 141049086189
19 672738459979
20 3215711195981
21 15403293849855
22 73919935038535
23 355326202512773
24 1710635425417343
25 8247318167972133
26 39815195511530137
27 192451129350591837