# A111602 (b-file synthesized from sequence entry)
2 1
3 6
4 42
5 300
6 2475
7 22050
8 220500
9 2381400
10 28279125
11 360186750
12 4970577150
13 73045872900
14 1150472498175
15 19174541636250
16 339663308985000
17 6333077180430000
18 124682456989715625
19 2572020969902133750