# A272123 (b-file synthesized from sequence entry)
0 0
1 1
2 5
3 26
4 123
5 555
6 2440
7 10569
8 45381
9 193834
10 825275
11 3506867
12 14883984
13 63124593
14 267596485
15 1134071130
16 4805348667
17 20359308187
18 86252640920
19 365396207993
20 1547906421765
21 6557202405546
22 27777188626555
23 117667194149091
24 498449204352288