A155071 Primes with two odd digits.

11, 13, 17, 19, 31, 37, 53, 59, 71, 73, 79, 97, 101, 103, 107, 109, 127, 149, 163, 167, 181, 211, 233, 239, 251, 257, 271, 277, 293, 307, 347, 349, 367, 383, 389, 419, 431, 433, 439, 457, 479, 491, 499, 503, 509, 521, 523, 541, 547, 563, 569, 587, 613, 617

Offset: 1

Author

Juri-Stepan Gerasimov, Jan 19 2009

Keywords

• nonn
• base

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A104638.

Programs

Mathematica

Select[Prime[Range[200]],Count[IntegerDigits[#],?OddQ]==2&] (* _Harvey P. Dale, Jul 22 2025 *)

Extensions

Definition clarified, keyword:fini removed, 413 replaced by 419 - R. J. Mathar, May 05 2010

Erroneous comment deleted by Harvey P. Dale, Jul 22 2025