login

A198247 as a simple table

na(n)
11
25
340
4485
56528
690641
71268648
817794141
9249720000
103505037833
1149198133832
12690571872597
139693269289152
14136060470673025
151909825721373608
1626807451423465421
17376285360845321600
185281765543824353657

[1,5,40,485,6528,90641,1268648,17794141,249720000,
 3505037833,49198133832,690571872597,9693269289152,
 136060470673025,1909825721373608,
 26807451423465421,376285360845321600,
 5281765543824353657]