# A145550 (b-file synthesized from sequence entry)
1 1
2 1
3 2
4 4
5 9
6 20
7 48
8 115
9 286
10 719
11 1842
12 4766
13 12486
14 32972
15 87807
16 235365
17 634792
18 1720976
19 4688090
20 12824381
21 35216108
22 97037603
23 268229329
24 743562936
25 2066686470
26 5758171390
27 16079351152