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A254122 Numbers requiring two Fibonacci numbers to build using + or *. 2
4, 6, 7, 9, 10, 11, 14, 15, 16, 18, 22, 23, 24, 25, 26, 29, 35, 36, 37, 39, 40, 42, 47, 56, 57, 58, 60, 63, 64, 65, 68, 76, 90, 91, 92, 94, 97, 102, 104, 105, 110, 123, 145, 146, 147, 149, 152, 157, 165, 168, 169, 170, 178, 199 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Numbers of the form F(i)+F(k) or F(i)*F(k), F=A000045, but not in A000045 themselves.

Supersequence of A179242; contains also numbers like 5*5=25, 5*8=40, 8*8=64 and 5*13=65. (Note that we count 8 twice in 8*8=64, including its multiplicity.)

LINKS

Table of n, a(n) for n=1..54.

CROSSREFS

Cf. A025282, A049997.

Sequence in context: A242286 A144222 A010414 * A095096 A179242 A104425

Adjacent sequences:  A254119 A254120 A254121 * A254123 A254124 A254125

KEYWORD

nonn

AUTHOR

R. J. Mathar, Jan 25 2015

STATUS

approved

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Last modified June 19 00:55 EDT 2019. Contains 324217 sequences. (Running on oeis4.)