# A094075 (b-file synthesized from sequence entry)
1 105
2 13440
3 229635
4 1720320
5 8203125
6 29393280
7 86472015
8 220200960
9 502211745
10 1050000000
11 2046152955
12 3762339840
13 6588594285
14 11068417920
15 17940234375
16 28185722880
17 43085560665
18 64283103360
19 93856532595
20 134400000000