# A116743 (b-file synthesized from sequence entry)
1 1
2 2
3 6
4 21
5 75
6 267
7 950
8 3384
9 12065
10 43034
11 153524
12 547744
13 1954328
14 6973114
15 24880601
16 88776363
17 316763410
18 1130246720
19 4032847433
20 14389658085
21 51343944371
22 183201075822
23 653682454214
24 2332414030833
25 8322321077596