login

A168584 as a simple table

na(n)
41
57
641
7215
81041
94767
1021001
1190055
12378881
131572527
146463161
1526375895
16107081521
17433076287
181746588521
197029269735
2028245956961
21113370724047
22454644109081
231822061123575
247298700653201
2529226175283807

[1,7,41,215,1041,4767,21001,90055,378881,1572527,
 6463161,26375895,107081521,433076287,1746588521,
 7029269735,28245956961,113370724047,454644109081,
 1822061123575,7298700653201,29226175283807]