login

A238074 as a simple table

na(n)
1256
21592
39884
459772
5378708
62285576
714349272
886693008
9546582828
103300593268
1120768825876
12125443787248
13790067077480
144771492579096
1530039037764956
16181425384418428
171142390702895284
186899484032213320

[256,1592,9884,59772,378708,2285576,14349272,
 86693008,546582828,3300593268,20768825876,
 125443787248,790067077480,4771492579096,
 30039037764956,181425384418428,1142390702895284,
 6899484032213320]