login

A189906 as a simple table

na(n)
115
2225
33375
435656
5372850
63833322
739048081
8395408137
93984364191
1040031462211
11401659633507
124025118368372
1340315220042932
14403641830599161
154040392891662855
1640438586707202572
17404700496922543129

[15,225,3375,35656,372850,3833322,39048081,
 395408137,3984364191,40031462211,401659633507,
 4025118368372,40315220042932,403641830599161,
 4040392891662855,40438586707202572,
 404700496922543129]