A036929 Smallest n-digit prime containing only digits 0 and 1, or 0 if no such prime exists.

0, 11, 101, 0, 10111, 101111, 1011001, 10010101, 100100111, 1000001011, 10000001101, 100000001111, 1000000111001, 10000000001011, 100000000100101, 1000000000011101, 10000000000001101, 100000000000100111

Offset

1,2

Links

Jinyuan Wang, Table of n, a(n) for n = 1..500

Prog

(PARI) a(n) = for(k=2^(n-1), 2^n-1, v=binary(k); if(ispseudoprime(p=fromdigits(v)), return(p))); 0; \\ Jinyuan Wang, Mar 09 2020

Crossrefs

Cf. A020449, A036229, A036928.

Sequence in context: A286643 A290861 A266515 * A168586 A330290 A330291

Adjacent sequences: A036926 A036927 A036928 * A036930 A036931 A036932

Keyword

nonn,base

Author

Patrick De Geest, Jan 04 1999

Status

approved