login

A255459 as a simple table

na(n)
01
15
225
3101
4361
51205
63865
712101
837321
9114005
10346105
111046501
123155881
139500405
1428566745
1585831301
16257756041
17773792405
182322425785
196969374501
2020912317801
2162745342005
22188252803225
23564791964101
241694443001161
255083463221205
2615250658099065

[1,5,25,101,361,1205,3865,12101,37321,114005,
 346105,1046501,3155881,9500405,28566745,85831301,
 257756041,773792405,2322425785,6969374501,
 20912317801,62745342005,188252803225,564791964101,
 1694443001161,5083463221205,15250658099065]