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A062826 Square nialpdromes not ending in 0. 2

%I #15 Dec 10 2015 09:27:33

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

%N Square nialpdromes not ending in 0.

%C Probably finite.

%C There are no more terms up to 10^11. - _Charles R Greathouse IV_, Jan 02 2014

%C No more terms up to 10^42. - _Chai Wah Wu_, Dec 07 2015

%p F:= proc(x) local L; L:= convert(x,base,10); max(L[1..-2] - L[2..-1]) <= 0 end proc:

%p select(F, [seq(seq((10*x+y)^2,y=1..9),x=0..10^6)]); # _Robert Israel_, Dec 08 2015

%Y Nialpdromes are A009996. Square nialpdromes are A028822.

%K base,nonn,more

%O 1,2

%A _David W. Wilson_, Jul 20 2001

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Last modified April 23 12:08 EDT 2024. Contains 371912 sequences. (Running on oeis4.)