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A107613 Numbers n such that both n and prime(n) consist of square digits (0,1,4,9). 0
94, 1140, 9109, 10404, 10449, 41104, 110000, 110010, 114101 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Corresponding primes are: 491, 9199, 94441, 109441, 109919, 494441, 1441049, 1441199, 1499149. Cf. A061246 ( Primes with square digits).

MATHEMATICA

Do[id=Union[IntegerDigits[Prime[n]], IntegerDigits[n]]; If[Count[id, 2]+Count[id, 3]+Count[id, 5]+Count[id, 6]+Count[id, 7]+Count[id, 8]==0, Print[n]], {n, 200000}]

CROSSREFS

Cf. A061246.

Sequence in context: A086248 A196892 A093294 * A189414 A195757 A017810

Adjacent sequences:  A107610 A107611 A107612 * A107614 A107615 A107616

KEYWORD

nonn,base

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), May 17 2005

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Last modified February 17 16:49 EST 2012. Contains 206058 sequences.