# A124464 (b-file synthesized from sequence entry)
0 1
1 5
2 19
3 73
4 302
5 1325
6 6032
7 28193
8 134825
9 659011
10 3290110
11 16764206
12 87103106
13 461090076
14 2484768459
15 13621130998
16 75906831145
17 429768775851
18 2470872560536
19 14418770507660
20 85367306874021
21 512604419523512