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Search: id:A163679
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| A163679 |
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Smaller prime p in Ormiston pairs (p, q) with q - p = 36. |
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+0
2
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| 98737, 116293, 187237, 240437, 276781, 343337, 357437, 447137, 454637, 456293, 465337, 508037, 542837, 565937, 586237, 623071, 802037, 817237, 820837, 836071, 837737, 839837, 843137, 850637, 884537, 897781, 903037, 913337, 1032071
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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An Ormiston pair (or rearrangement prime pair) is a pair of consecutive primes that use the same digits in a different order.
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LINKS
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Jens Kruse Andersen, Ormiston Tuples
Eric Weisstein's World of Mathematics, Rearrangement Prime Pair
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EXAMPLE
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(187237, 187273) is an Ormiston pair with gap 36, so 187237 is in the sequence.
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PROGRAM
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(MAGMA) [ p: p in PrimesUpTo(1050000) | q-p eq 36 and a eq b where a is Sort(Intseq(p)) where b is Sort(Intseq(q)) where q is NextPrime(p) ];
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CROSSREFS
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Subsequence of A069567.
Cf. A072274, A163863.
Sequence in context: A002273 A093214 A052090 this_sequence A106776 A093778 A138732
Adjacent sequences: A163676 A163677 A163678 this_sequence A163680 A163681 A163682
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KEYWORD
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nonn,base
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AUTHOR
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Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Aug 03 2009
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EXTENSIONS
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Keyword base added by Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Sep 18 2009
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