A062826 Square nialpdromes not ending in 0.

1, 4, 9, 64, 81, 441, 841, 961, 7744, 8874441, 9853321, 999887641

Offset: 1

Author

David W. Wilson, Jul 20 2001

Keywords

• base
• nonn
• more

Comments

Probably finite.

There are no more terms up to 10^11. - Charles R Greathouse IV, Jan 02 2014

No more terms up to 10^42. - Chai Wah Wu, Dec 07 2015

Crossrefs

Nialpdromes are A009996. Square nialpdromes are A028822.

Programs

Maple

F:= proc(x) local L; L:= convert(x,base,10); max(L[1..-2] - L[2..-1]) <= 0 end proc:
select(F, [seq(seq((10*x+y)^2,y=1..9),x=0..10^6)]); # Robert Israel, Dec 08 2015