

A050505


Unlucky numbers.


25



2, 4, 5, 6, 8, 10, 11, 12, 14, 16, 17, 18, 19, 20, 22, 23, 24, 26, 27, 28, 29, 30, 32, 34, 35, 36, 38, 39, 40, 41, 42, 44, 45, 46, 47, 48, 50, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 64, 65, 66, 68, 70, 71, 72, 74, 76, 77, 78, 80, 81, 82, 83, 84, 85, 86, 88, 89, 90, 91, 92
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OFFSET

1,1


COMMENTS

A145649(a(n)) = 0; complement of A000959.  Reinhard Zumkeller, Oct 15 2008


LINKS

Michael De Vlieger, Table of n, a(n) for n = 1..10000


FORMULA

Numbers deleted in creating the lucky numbers, numbers not in A000959.


MATHEMATICA

L = Table[2 i + 1, {i, 0, 50}]; For[n = 2, n < Length[L], r = L[[n++]]; L = ReplacePart[L, Table[r i > Nothing, {i, 1, Length[L]/r}]]]; Complement[Range@ Max@ L, L] (* Michael De Vlieger, Feb 25 2017, after JeanFrançois Alcover at A000959 *)


CROSSREFS

Cf. A000959.
Sequence in context: A176554 A284895 A285354 * A047262 A285143 A274436
Adjacent sequences: A050502 A050503 A050504 * A050506 A050507 A050508


KEYWORD

nonn,easy


AUTHOR

Asher Auel (asher.auel(AT)reed.edu), Dec 16 1999


STATUS

approved



