# A152799 (b-file synthesized from sequence entry)
0 1
1 1
2 3
3 6
4 15
5 40
6 113
7 348
8 1148
9 4045
10 15203
11 60710
12 256688
13 1145887
14 5386283
15 26590338
16 137537012
17 743766652
18 4196681423
19 24661702224
20 150676068558
21 955611495432
22 6281965526173
23 42745748797360
24 300690981532778