# A107242 (b-file synthesized from sequence entry)
0 0
1 0
2 1
3 5
4 14
5 50
6 194
7 723
8 2659
9 9884
10 36780
11 136636
12 507517
13 1885793
14 7006962
15 26034006
16 96728470
17 359395319
18 1335332919
19 4961420008
20 18434129192
21 68491926888
22 254481427113
23 945524491213
24 3513091674982
25 13052875206698