This site is supported by donations to The OEIS Foundation.

Annual Appeal: Today, Nov 11 2014, is the 4th anniversary of the launch of the new OEIS web site. 70,000 sequences have been added in these four years, all edited by volunteers. Please make a donation (tax deductible in the US) to help keep the OEIS running.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A175438 Primes such that even and odd digits separately are in ascending order. 2
 2, 3, 5, 7, 13, 17, 19, 23, 29, 37, 41, 43, 47, 59, 61, 67, 79, 83, 89, 103, 107, 109, 127, 137, 139, 149, 157, 163, 167, 179, 239, 241, 257, 263, 269, 281, 283, 307, 347, 349, 359, 367, 379, 389, 419, 439, 457, 461, 463, 467, 479, 487, 509, 547, 569, 587, 613 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS There are 910 such primes with a(910)=302547689=prime(16382892). Indices of primes in A175439: 1,2,3,4,6,7,8,9,10,12,13,14,15,17,18,19,22,23,24,27,28,29,31,33,34,35,37,38. LINKS Zak Seidov, Table of n, a(n) for n = 1..910 (complete sequence) CROSSREFS Cf. A175439. Sequence in context: A162950 A040972 A040161 * A040970 A216862 A040978 Adjacent sequences:  A175435 A175436 A175437 * A175439 A175440 A175441 KEYWORD base,fini,full,nonn AUTHOR Zak Seidov, May 15 2010 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .