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A161160 Smallest member of Ormiston prime quadruple. 6
6607882123, 7768673789, 11550316123, 13978938739, 16819885123, 20316483739, 31542480917, 36739640911, 38132974739, 40224610913, 44453840917, 45078784789, 48421320917, 48789908137, 53623243789, 54120163789, 54936260123, 56168170789 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
An Ormiston (or Rearrangement) prime quadruple is a sequence of 4 consecutive primes, which all have the same decimal digits in some different order. - M. F. Hasler, Oct 08 2012
The first Ormiston quintuple is (20847942560791, 20847942560917, 20847942560971, 20847942561079, 20847942561097). - Giovanni Resta, Oct 07 2012
A subsequence of A075093 and thus of A072274. - M. F. Hasler, Oct 11 2012
LINKS
Jens Kruse Andersen, Table of n, a(n) for n=1..349
Jens Kruse Andersen, Ormiston Tuples
E. W. Weisstein, Rearrangement Prime Pair, at MathWorld.Wolfram.com.
EXAMPLE
The first Ormiston quadruple is (6607882123,6607882213,6607882231,6607882321).
CROSSREFS
Sequence in context: A127342 A336681 A268845 * A242829 A233502 A113640
KEYWORD
base,nonn
AUTHOR
Ray Chandler, Jun 03 2009
STATUS
approved

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Last modified February 21 07:54 EST 2024. Contains 370219 sequences. (Running on oeis4.)