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A079658
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Fibonacci numbers using only the straight digits 1, 4 and 7.
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0
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OFFSET
| 1,3
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COMMENTS
| No other term <= fibonacci(10000). - Emeric Deutsch (deutsch(AT)duke.poly.edu), Jul 23 2006
No other term <= Fibonacci(10^8). [From D. S. McNeil (mcneil(AT)hku.hk), Dec 08 2009]
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MAPLE
| with(combinat): a:=proc(n) if convert(convert(fibonacci(n), base, 10), set) subset {1, 4, 7}= true then fibonacci(n) else fi end: seq(a(n), n=1..5000); - Emeric Deutsch (deutsch(AT)duke.poly.edu), Jul 23 2006
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CROSSREFS
| Cf. A028373.
Sequence in context: A055352 A199406 A182913 * A091037 A203818 A028473
Adjacent sequences: A079655 A079656 A079657 * A079659 A079660 A079661
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KEYWORD
| base,more,nonn
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AUTHOR
| Shyam Sunder Gupta (guptass(AT)rediffmail.com), Jan 23 2003
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