# A097631 (b-file synthesized from sequence entry)
1 0
2 1
3 5
4 58
5 907
6 19046
7 496869
8 15578130
9 570573623
10 23929861102
11 1131235173433
12 59529368839898
13 3451899685313523
14 218712237867226182
15 15034642075916533997
16 1114519318895861250082
17 88631119148029975177327
18 7526795487859400166772958
19 679859967684397018073935617