# A198805 (b-file synthesized from sequence entry)
0 1
1 0
2 0
3 30
4 0
5 360
6 7650
7 0
8 302400
9 4544400
10 11226600
11 324324000
12 4310633250
13 24324300000
14 437404968000
15 5634178329780
16 45972927000000
17 697866761592000
18 8962716395833200
19 88725951057744000
20 1258898645656852200