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 A073492 Numbers having at least one prime gap in their factorization. 11
 10, 14, 20, 21, 22, 26, 28, 33, 34, 38, 39, 40, 42, 44, 46, 50, 51, 52, 55, 56, 57, 58, 62, 63, 65, 66, 68, 69, 70, 74, 76, 78, 80, 82, 84, 85, 86, 87, 88, 91, 92, 93, 94, 95, 98, 99, 100, 102, 104, 106, 110, 111, 112, 114, 115, 116, 117, 118, 119, 122, 123, 124, 126 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS A073490(a(n)) > 0. A137794(a(n))=0, complement of A073491. - Reinhard Zumkeller, Feb 11 2008 LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 MATHEMATICA pa[n_, k_] := If[k == NextPrime[n], 0, 1]; Select[Range[126], Total[pa @@@ Partition[First /@ FactorInteger[#], 2, 1]] > 0 &] (* Jayanta Basu, Jul 01 2013 *) PROG (Haskell) a073492 n = a073492_list !! (n-1) a073492_list = filter ((> 0) . a073490) [1..] -- Reinhard Zumkeller, Dec 20 2013 CROSSREFS Cf. A005117, A073493, A073494, A073495, A073491, A073486. Sequence in context: A255532 A307516 A069900 * A073493 A162685 A272374 Adjacent sequences:  A073489 A073490 A073491 * A073493 A073494 A073495 KEYWORD nonn AUTHOR Reinhard Zumkeller, Aug 03 2002 STATUS approved

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Last modified June 24 05:58 EDT 2021. Contains 345416 sequences. (Running on oeis4.)