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A053030 Numbers with 2 zeros in Fibonacci numbers mod m. 18
3, 6, 7, 8, 9, 12, 14, 15, 16, 18, 20, 21, 23, 24, 27, 28, 30, 32, 33, 35, 36, 39, 40, 41, 42, 43, 45, 46, 47, 48, 49, 51, 52, 54, 55, 56, 57, 60, 63, 64, 66, 67, 68, 69, 70, 72, 75, 77, 78, 80, 81, 82, 83, 84, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100, 102, 103, 104 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

m is on this list iff m does not have 1 or 4 zeros in the Fibonacci sequence modulo m.

A001176(a(n)) = A128924(a(n),1) = 2. - Reinhard Zumkeller, Jan 17 2014

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

M. Renault, Fibonacci sequence modulo m

PROG

(Haskell)

a053030 n = a053030_list !! (n-1)

a053030_list = filter ((== 2) . a001176) [1..]

-- Reinhard Zumkeller, Jan 17 2014

CROSSREFS

Cf. A001176.

Cf. A053029 (with 4 zeros), A053031 (with 1 zero).

Sequence in context: A047559 A288742 A113826 * A189822 A051205 A168114

Adjacent sequences:  A053027 A053028 A053029 * A053031 A053032 A053033

KEYWORD

nonn

AUTHOR

Henry Bottomley, Feb 23 2000

STATUS

approved

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Last modified April 18 13:46 EDT 2021. Contains 343088 sequences. (Running on oeis4.)