Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A154761
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A154761 Primes without digits 1 or 9. +0
1
2, 3, 5, 7, 23, 37, 43, 47, 53, 67, 73, 83, 223, 227, 233, 257, 263, 277, 283, 307, 337, 347, 353, 367, 373, 383, 433, 443, 457, 463, 467, 487, 503, 523, 547, 557, 563, 577, 587, 607, 643, 647, 653, 673, 677, 683, 727, 733, 743, 757, 773, 787, 823, 827, 853 (list; graph; listen)
OFFSET

1,1

MAPLE

no19 := proc(n) local d ; for d in convert(n, base, 10) do if d in {1, 9} then RETURN(false) ; fi; od: RETURN(true) ; end: for n from 1 to 400 do p := ithprime(n) ; if no19(p) then printf("%d, ", p) ; fi; od: [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 18 2009]

CROSSREFS

Sequence in context: A069556 A113611 A038925 this_sequence A074491 A154385 A125525

Adjacent sequences: A154758 A154759 A154760 this_sequence A154762 A154763 A154764

KEYWORD

nonn

AUTHOR

Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Jan 15 2009

EXTENSIONS

Inserted 443 - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jan 18 2009

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


AT&T Labs Research