# A111781 (b-file synthesized from sequence entry)
7 1
8 56
9 2052
10 63000
11 1777050
12 48149640
13 1284709140
14 34260506280
15 921799753875
16 25175488338000
17 700755564108600
18 19932553764723600
19 580406741946731700
20 17320767850295910000
21 530112107596146075000
22 16645556950225160958000