login

A147360 as a simple table

na(n)
11
21
31
41
525
6141
7756
810461
9137862
102668563
1189609916
123827996725
13213188142328

[1,1,1,1,25,141,756,10461,137862,2668563,89609916,
 3827996725,213188142328]