A385770 Primes having only {0, 6, 7} as digits.

7, 67, 607, 677, 6007, 6067, 6607, 7607, 60077, 60607, 66067, 67607, 67777, 70067, 70607, 70667, 76607, 76667, 76777, 606077, 606607, 607007, 607067, 607667, 660067, 660607, 666067, 666607, 666667, 666707, 670777, 676007, 677077, 677767, 700067

Offset: 1

Author

Jason Bard, Jul 09 2025

Keywords

• nonn
• base
• easy

Examples

			6007 is a term because it is prime and has only {0,6,7} as digits.
		

Links

• Jason Bard, Table of n, a(n) for n = 1..10000
• Index to entries for primes with digits in a given set

Crossrefs

Subsequence of A030432.

Cf. A000040, A020469, A385776.

Programs

Magma

[p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [0, 6, 7]];

Mathematica

Select[FromDigits/@Tuples[{0,6,7},5],PrimeQ]

PARI

primes_with(, 1, [0, 6, 7]) \\ uses function in A385776

Python

print(list(islice(primes_with("067"), 41))) # uses function/imports in A385776