login

A018250 as a simple table

na(n)
01
117
2197
31945
417661
5152817
61284277
710599305
886485421
9700600417
105649437157
1145422860665
12364536479581
132922126916817
1423406459170837
15187399966290025
161499945489904141
1712003309897022017
1896045277784597317

[1,17,197,1945,17661,152817,1284277,10599305,
 86485421,700600417,5649437157,45422860665,
 364536479581,2922126916817,23406459170837,
 187399966290025,1499945489904141,
 12003309897022017,96045277784597317]