A385793 Primes having only {4, 5, 9} as digits.

5, 59, 449, 499, 599, 4549, 4999, 5449, 9949, 44449, 44549, 44959, 45599, 45949, 45959, 49459, 49499, 49549, 49559, 49999, 54449, 54499, 54559, 54949, 54959, 55949, 59999, 94559, 94949, 94999, 95549, 95959, 99559, 444449, 445499, 449459, 449549, 449959, 455599

Offset

1,1

Links

Jason Bard, Table of n, a(n) for n = 1..10000

Index to entries for primes with digits in a given set

Mathematica

Flatten[Table[Select[FromDigits /@ Tuples[{4, 5, 9}, n], PrimeQ], {n, 7}]]

Prog

(Magma) [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [4, 5, 9]];
(Python) print(list(islice(primes_with("459"), 41))) # uses function/imports in A385776
(PARI) primes_with(, 1, [4, 5, 9]) \\ uses function in A385776

Crossrefs

Supersequence of A020466, A020468.

Cf. A000040, A030433, A385776.

Sequence in context: A386071 A222585 A386189 * A260630 A386078 A385769

Adjacent sequences: A385790 A385791 A385792 * A385794 A385795 A385796

Keyword

nonn,base,easy

Author

Jason Bard, Jul 13 2025

Status

approved