# A003282 (b-file synthesized from sequence entry)
0 1
1 1
2 7
3 19
4 25
5 67
6 205
7 3389
8 24469
9 151805
10 3378595
11 7529
12 239951407
13 10532699
14 37801901
15 553870985
16 4729453873
17 54466083977
18 1974303293437
19 73525821439
20 36638106109621
21 262239579597193
22 2947415049407
23 90871116596785