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A119675
Natural numbers n such that the number of prime factors of n (counted with multiplicity) is a Fibonacci number.
0
2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22, 23, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 37, 38, 39, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 55, 57, 58, 59, 61, 62, 63, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 82, 83, 85, 86, 87, 89, 91, 92, 93, 94, 95
OFFSET
1,1
COMMENTS
Superset of A037144. - R. J. Mathar, Apr 03 2012
MATHEMATICA
Select[Range[100], MemberQ[Fibonacci[Range[20]], PrimeOmega[#]]&] (* Harvey P. Dale, May 13 2019 *)
CROSSREFS
Sequence in context: A115105 A121176 A028261 * A253781 A037144 A337379
KEYWORD
easy,nonn
AUTHOR
Giovanni Teofilatto, Jun 12 2006, Jun 21 2006
EXTENSIONS
Corrected by R. J. Mathar, Apr 03 2012
STATUS
approved