A053580 - OEIS

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A053580

Primes whose digits contain circles.

89, 809, 6089, 6689, 6869, 6899, 8009, 8069, 8089, 8609, 8669, 8689, 8699, 8969, 8999, 9689, 60089, 60689, 60869, 60889, 60899, 66089, 66809, 66889, 68099, 68669, 68699, 68899, 68909, 69809, 69899, 80669, 80809, 80909, 80989, 86069, 86689

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Only the digits 6, 8, 9, and 0 are permitted. The terms must, of course, end with the digit 9. - Harvey P. Dale, Jan 27 2015

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[10#+9&/@Sort[FromDigits/@Tuples[{6, 8, 9, 0}, 4]], PrimeQ] (* Harvey P. Dale, Jan 27 2015 *)

CROSSREFS

Cf. A000040, A052090.

Sequence in context: A063654 A308801 A069764 * A239719 A290314 A103548