A365471 Contribution to the OEIS

 

A365471 Numbers whose digits are not all primes. 1

0, 1, 4, 6, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 24, 26, 28, 29, 30, 31, 34, 36, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 54, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 74, 76, 78, 79, 80, 81, 82, 83, 84, 85, 86 (list; graph; refs; listen; history; edit; text; internal format)

OFFSET 1,3 COMMENTS Complement of A046034. Union of A084984 and A365589. LINKS Table of n, a(n) for n=1..67. MATHEMATICA a[n_Integer?NonNegative] := Select[Range[0, n], Not[AllTrue[MemberQ[{2, 3, 5, 7}, #] & /@ IntegerDigits@#, Identity]] &]; a[86] (* Robert P. P. McKone, Sep 13 2023 *) Select[Range[0, 100], AnyTrue[IntegerDigits[#], !PrimeQ[#]&]&] (* Harvey P. Dale, Dec 22 2023 *) CROSSREFS Cf. A046034, A084984, A365589. Sequence in context: A225668 A091985 A091984 * A228651 A045762 A320985 Adjacent sequences: A365468 A365469 A365470 * A365472 A365473 A365474 KEYWORD base,nonn AUTHOR James C. McMahon, Sep 11 2023 STATUS approved