A155479 Prime(n) without odd prime digits of n.

2, 3, 7, 13, 19, 23, 29, 31, 37, 43, 53, 61, 67, 71, 73, 79, 89, 101, 107, 109, 173, 179, 181, 193, 199, 223, 227, 281, 283, 293, 311, 317, 337, 347, 409, 419, 421, 433, 443, 457, 461, 463, 467, 479, 491, 503, 521, 523, 541, 547, 557, 569, 577, 593, 599, 601

Offset

1,1

Comments

Odd prime digit = 3, 5 or 7.

Links

Table of n, a(n) for n=1..56.

Example

If n=1=nonprime and 2=prime(1), then 2=a(1). If n=2=even prime and 3=prime(2), then 3=a(2). If n=4=composite and 7=prime(4), then 7=a(3), etc.

Crossrefs

Cf. A000027, A000040, A002808, A141468.

Sequence in context: A329414 A329415 A329416 * A019411 A105792 A130903

Adjacent sequences: A155476 A155477 A155478 * A155480 A155481 A155482

Keyword

nonn,base

Author

Juri-Stepan Gerasimov, Jan 23 2009

Extensions

Corrected (599 inserted) by R. J. Mathar, May 10 2010

Status

approved