# A195257 (b-file synthesized from sequence entry)
0 1
1 5
2 30
3 185
4 1180
5 7845
6 54850
7 407225
8 3241200
9 27882725
10 260710150
11 2655929625
12 29459366500
13 354733101125
14 4617633830250
15 64677391201625
16 970313455915000
17 15525778234093125
18 263942044676848750
19 4750975877669605625
20 90268637043154147500