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

72, 222, 252, 372, 522, 552, 732, 2232, 2322, 2352, 2532, 2772, 3222, 3252, 3372, 3522, 3552, 3732, 5232, 5322, 5352, 5532, 5772, 7272, 7332, 7572, 7722, 7752, 22272, 22332, 22572, 22722, 22752, 23232, 23322, 23352, 23532, 23772, 25272

Offset: 1

Author

Amarnath Murthy, Nov 08 2002

Keywords

• base
• nonn

Comments

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

Crossrefs

Cf. A077533, A077534.

Extensions

Corrected and extended by Sascha Kurz, Jan 03 2003

Corrected and extended by Don Reble, Nov 20 2006