# A162755 (b-file synthesized from sequence entry)
0 1
1 9
2 72
3 540
4 4032
5 29988
6 223020
7 1658160
8 12328596
9 91662732
10 681510816
11 5067014148
12 37673118252
13 280098623952
14 2082525799284
15 15483523651596
16 115119584685504
17 855911035979748
18 6363675682412076
19 47313758657548656
20 351776531372292180
21 2615449111101347724
22 19445794254904116960