# A019226 (b-file synthesized from sequence entry)
3 0
4 1
5 2
6 3
7 13
8 21
9 48
10 92
11 239
12 568
13 1162
14 2995
15 7014
16 17505
17 44314
18 111919
19 291041
20 747987
21 1937201
22 5030061
23 13021853
24 33899044
25 88276597
26 229956152
27 600873033
28 1572753949
29 4124708368
30 10842119417
31 28553168700