login

A189869 as a simple table

na(n)
11
20
30
42
510
64
728
820
956
1072
11288
121304
136368
1422884
15125864
16755412
174565572
1829862256
19207238124
201540506028
2111774180220

[1,0,0,2,10,4,28,20,56,72,288,1304,6368,22884,
 125864,755412,4565572,29862256,207238124,
 1540506028,11774180220]