login

A345247 as a simple table

na(n)
11
22
33
47
513
635
789
8306
91141
105615
1133397
12260624
132623475
1435100394
15627244166
1615122214205
17493568138475

[1,2,3,7,13,35,89,306,1141,5615,33397,260624,
 2623475,35100394,627244166,15122214205,
 493568138475]