login

A231309 as a simple table

na(n)
00
11
21024
359050
41049600
59824675
661515776
7292299924
81135257600
93779084325
1011135257600
1129716508926
1273052621824
13167575000775
14362307276800
15744225391400
161461818904576
172760219291849
185032286131200
198891285549650
2015272286131200

[0,1,1024,59050,1049600,9824675,61515776,
 292299924,1135257600,3779084325,11135257600,
 29716508926,73052621824,167575000775,362307276800,
 744225391400,1461818904576,2760219291849,
 5032286131200,8891285549650,15272286131200]