login

A077555 as a simple table

na(n)
04
124
2216
32160
432400
5810000
69525600
7238140000
88334900000
9408410100000
106051137400000
11296505732600000
1216307815293000000
131255701777561000000
14151939915084881000000
151074848105961630000000
1682763304159045510000000

[4,24,216,2160,32400,810000,9525600,238140000,
 8334900000,408410100000,6051137400000,
 296505732600000,16307815293000000,
 1255701777561000000,151939915084881000000,
 1074848105961630000000,82763304159045510000000]