# A037675 (b-file synthesized from sequence entry)
1 1
2 5
3 27
4 138
5 691
6 3455
7 17277
8 86388
9 431941
10 2159705
11 10798527
12 53992638
13 269963191
14 1349815955
15 6749079777
16 33745398888
17 168726994441
18 843634972205
19 4218174861027
20 21090874305138
21 105454371525691
22 527271857628455