login

A081897 as a simple table

na(n)
01
18
258
3396
42595
516500
6102500
7625000
83753125
922250000
10130468750
11757812500
124365234375
1324960937500
14141796875000
15800781250000
164498291015625
1725146484375000
18139953613281250
19775756835937500

[1,8,58,396,2595,16500,102500,625000,3753125,
 22250000,130468750,757812500,4365234375,
 24960937500,141796875000,800781250000,
 4498291015625,25146484375000,139953613281250,
 775756835937500]