A385774 - OEIS

A385774

Primes having only {1, 2, 6} as digits.

2, 11, 61, 211, 661, 1621, 2111, 2161, 2221, 2621, 6121, 6211, 6221, 6661, 11161, 11261, 11621, 12161, 12211, 12611, 16111, 16661, 21121, 21211, 21221, 21611, 21661, 22111, 22621, 26111, 26161, 26261, 61121, 61211, 61261, 66161, 66221, 111121, 111211

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

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[{1, 2, 6}, n], PrimeQ], {n, 7}]]

PROG

(Magma) [p: p in PrimesUpTo(10^6) | Set(Intseq(p)) subset [1, 2, 6]];

(Python) print(list(islice(primes_with("126"), 41))) # uses function/imports in A385776

(PARI) primes_with(, 1, [1, 2, 6]) \\ uses function in A385776