# A227918 (b-file synthesized from sequence entry)
2 1
3 0
4 5
5 22
6 137
7 956
8 7653
9 68874
10 688745
11 7576192
12 90914309
13 1181886014
14 16546404201
15 248196063012
16 3971137008197
17 67509329139346
18 1215167924508233
19 23088190565656424
20 461763811313128485
21 9697040037575698182
22 213334880826665360009
23 4906702259013303280204
24 117760854216319278724901