A077534 Multiples of 4 using only prime digits (2, 3, 5 and 7).

32, 52, 72, 232, 252, 272, 332, 352, 372, 532, 552, 572, 732, 752, 772, 2232, 2252, 2272, 2332, 2352, 2372, 2532, 2552, 2572, 2732, 2752, 2772, 3232, 3252, 3272, 3332, 3352, 3372, 3532, 3552, 3572, 3732, 3752, 3772, 5232, 5252, 5272, 5332, 5352, 5372

Offset

1,1

Comments

Last digit is 2, next-to-last digit is odd, each remaining digit can be any prime digit.

Links

Table of n, a(n) for n=1..45.

Mathematica

Select[4Range[2000], And@@PrimeQ[IntegerDigits[#]]&] (* Harvey P. Dale, Dec 13 2010 *)

Crossrefs

Cf. A077533.

Sequence in context: A343154 A048734 A277870 * A164998 A165000 A259723

Adjacent sequences: A077531 A077532 A077533 * A077535 A077536 A077537

Keyword

base,nonn

Author

Amarnath Murthy, Nov 08 2002

Extensions

Corrected and extended by Sascha Kurz, Jan 03 2003

Status

approved