login

A074191 as a simple table

na(n)
11
21
31
48
58
6144
7144
8576
95184
10518400
11518400
122073600
132073600
14101606400

[1,1,1,8,8,144,144,576,5184,518400,518400,2073600,
 2073600,101606400]