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A107627 Numbers n such that every digit of n and sqrt(n) contains a loop (only digits 0,4,6,8,9 in n and sqrt(n)). 1
64, 4096, 6400, 9604, 409600, 440896, 640000, 806404, 960400, 996004, 40960000, 44089600, 44408896, 64000000, 80640400, 80964004, 96040000, 99600400, 99960004 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Corresponding square roots in A107626. Cf. A001744 Every digit contains a loop.

LINKS

Table of n, a(n) for n=1..19.

MATHEMATICA

Do[id=Union[IntegerDigits[n^2], IntegerDigits[n]]; If[Count[id, 1]+Count[id, 2]+Count[id, 3]+Count[id, 5]+Count[id, 7]==0, Print[n^2]], {n, 10000}]

CROSSREFS

Cf. A001744, A107624, A107625, A107626.

Sequence in context: A222385 A208268 A184759 * A017571 A016746 A189268

Adjacent sequences:  A107624 A107625 A107626 * A107628 A107629 A107630

KEYWORD

nonn,base,dumb

AUTHOR

Zak Seidov, May 18 2005

STATUS

approved

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Last modified January 18 13:09 EST 2019. Contains 319271 sequences. (Running on oeis4.)