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A117810 Numbers n such that n is k*(the sum of decimal digits squared of n), k=153 case. 0

%I #3 Mar 30 2012 17:26:21

%S 0,4131,12546,14382,16218,16830,26469

%N Numbers n such that n is k*(the sum of decimal digits squared of n), k=153 case.

%C k=153 case has the longest sequence for k <= 1000.

%t k=153; Do[If[n==k*Total[IntegerDigits[n]^2],Print[n]],{n,0,200000,k}]

%Y Cf. A117565 k=7 case.

%K base,fini,full,nonn

%O 1,2

%A _Zak Seidov_, Apr 30 2006

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Last modified April 23 20:33 EDT 2024. Contains 371916 sequences. (Running on oeis4.)