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A077535 Multiples of 6 with only prime digits (2, 3, 5 and 7). 1

%I

%S 72,222,252,372,522,552,732,2232,2322,2352,2532,2772,3222,3252,3372,

%T 3522,3552,3732,5232,5322,5352,5532,5772,7272,7332,7572,7722,7752,

%U 22272,22332,22572,22722,22752,23232,23322,23352,23532,23772,25272

%N Multiples of 6 with only prime digits (2, 3, 5 and 7).

%C There are 4^n/12 + O(1) n-digit terms in this sequence. - _Charles R Greathouse IV_, Jul 15 2016

%Y Cf. A077533, A077534.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Nov 08 2002

%E Corrected and extended by _Sascha Kurz_, Jan 03 2003

%E Corrected and extended by _Don Reble_, Nov 20 2006

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Last modified October 20 09:24 EDT 2021. Contains 348100 sequences. (Running on oeis4.)