login

A199406 as a simple table

na(n)
11
2144
312111
4358120
55131650
645528756
7288936634
81433251296
95887880415
1020842168600
1165402344161
12185788177224
13485443851256
141181242399260
152703252560100
165864398969216
1712138503871789
1824101498435616
1946112016365155
2085335258695400
21153249227870046

[1,144,12111,358120,5131650,45528756,288936634,
 1433251296,5887880415,20842168600,65402344161,
 185788177224,485443851256,1181242399260,
 2703252560100,5864398969216,12138503871789,
 24101498435616,46112016365155,85335258695400,
 153249227870046]