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A032583 Numbers which are neither prime nor lucky. 1
4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 50, 52, 54, 55, 56, 57, 58, 60, 62, 64, 65, 66, 68, 70, 72, 74, 76, 77, 78, 80, 81, 82, 84, 85, 86, 88, 90, 91, 92, 94, 95, 96, 98, 100, 102, 104, 106, 108 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Except for 2, sequence includes all positive even integers. First odd term is 27. - Alonso del Arte, Jun 20 2017

LINKS

Table of n, a(n) for n=1..65.

MATHEMATICA

(* First run one of the programs for A000959 to define the list luckies *) max = 200; Complement[Range[max], Prime[Range[PrimePi[max]]], luckies] (* Alonso del Arte, Jun 14 2017 *)

CROSSREFS

Cf. A000040, A000959, A032584, A031157.

Sequence in context: A054023 A330948 A324705 * A175074 A063127 A272651

Adjacent sequences:  A032580 A032581 A032582 * A032584 A032585 A032586

KEYWORD

nonn

AUTHOR

Patrick De Geest, Apr 15 1998

STATUS

approved

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Last modified December 3 22:32 EST 2021. Contains 349468 sequences. (Running on oeis4.)