# A074518 (b-file synthesized from sequence entry)
0 3
1 14
2 90
3 638
4 4722
5 35894
6 277770
7 2175278
8 17167842
9 136170854
10 1083507450
11 8638762718
12 68963617362
13 550976517014
14 4404150026730
15 35214889666958
16 281627564601282
17 2252562753138374
18 18018213206747610
19 144134261562183998