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A062826 Square nialpdromes not ending in 0. 1
1, 4, 9, 64, 81, 441, 841, 961, 7744, 8874441, 9853321, 999887641 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

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

LINKS

Table of n, a(n) for n=1..12.

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

CROSSREFS

Nialpdromes are A009996. Square nialpdromes are A028822.

Sequence in context: A270696 A069495 A029788 * A201918 A263675 A140483

Adjacent sequences:  A062823 A062824 A062825 * A062827 A062828 A062829

KEYWORD

base,nonn,more

AUTHOR

David W. Wilson, Jul 20 2001

STATUS

approved

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Last modified September 20 08:13 EDT 2019. Contains 327214 sequences. (Running on oeis4.)