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A177245 Fibonacci numbers whose decimal expression does not contain any digit 3. 5
1, 1, 2, 5, 8, 21, 55, 89, 144, 610, 987, 1597, 2584, 4181, 6765, 10946, 17711, 28657, 75025, 196418, 514229, 5702887, 9227465, 24157817, 165580141, 267914296, 4807526976, 7778742049, 12586269025, 86267571272, 591286729879 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Probability that Fib(n) contains no 3's decreases to zero as n goes to infinity. I suppose that the maximum number is Fib(223) having 47 digits, none of them being a "3".

LINKS

Table of n, a(n) for n=1..31.

EXAMPLE

a(6)=21 since 21 is the 6th Fibonacci having no 3's

CROSSREFS

Cf. A000045, A177194, A177195, A177231, A176253

Sequence in context: A121568 A001005 A009735 * A137095 A092097 A195295

Adjacent sequences:  A177242 A177243 A177244 * A177246 A177247 A177248

KEYWORD

nonn,base

AUTHOR

Carmine Suriano, May 06 2010

STATUS

approved

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Last modified November 23 00:51 EST 2014. Contains 249836 sequences.