# A118445 (b-file synthesized from sequence entry)
2 1
3 25
4 490
5 8820
6 152460
7 2576574
8 42942900
9 709171320
10 11636856660
11 190068658780
12 3093732938296
13 50222937310000
14 813611584422000
15 13158602740363500
16 212528020730913000
17 3428785401125396400
18 55266606794455402500
19 890117467077758188500