login

A278294 as a simple table

na(n)
13
210
328
4136
5945
65265
729889
850625
9203392
103290625
116082048
1232536000
13326481921
143274208001
156929459200
1672523096065
1737694578689
18471672487936
1911557226700801
2054386217385984
2150624737509376
22275892612890625
234870020829413376
2468091093855502336
252280241934368768

[3,10,28,136,945,5265,29889,50625,203392,3290625,
 6082048,32536000,326481921,3274208001,6929459200,
 72523096065,37694578689,471672487936,
 11557226700801,54386217385984,50624737509376,
 275892612890625,4870020829413376,
 68091093855502336,2280241934368768]