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 A074460 Primes which are sandwiched between two numbers having the same unordered canonical form. 3
 19, 307, 349, 491, 739, 919, 1013, 1061, 1277, 1667, 1747, 2357, 2683, 3259, 3581, 3797, 3943, 4013, 4597, 4877, 4987, 5051, 5741, 6067, 7757, 9349, 9413, 9739, 9851, 9923, 9949, 10133, 10243, 10949, 11093, 11149, 12619, 12941, 12979, 13879, 14051 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Amiram Eldar, Table of n, a(n) for n = 1..10000 MATHEMATICA f[n_] := Flatten[Table[{ # [[2]]}] & /@ FactorInteger[n]]; Prime[ Select[ Range[1700], Sort[ f[ Prime[ # ] - 1]] == Sort[ f[ Prime[ # ] + 1]] & ]] CROSSREFS Cf. A074497, A074498, A061715. Sequence in context: A051562 A330846 A324359 * A267010 A182460 A032631 Adjacent sequences:  A074457 A074458 A074459 * A074461 A074462 A074463 KEYWORD easy,nonn AUTHOR Robert G. Wilson v, Aug 22 2002 STATUS approved

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Last modified August 1 03:52 EDT 2021. Contains 346384 sequences. (Running on oeis4.)