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A235715 a(n) = number of times (n-1) occurs in the fundamental period of Fibonacci numbers modulo n. 3
1, 2, 3, 1, 4, 6, 4, 1, 5, 8, 1, 1, 4, 8, 3, 1, 4, 4, 1, 2, 1, 2, 4, 1, 4, 8, 8, 2, 1, 6, 1, 1, 1, 4, 4, 1, 4, 1, 3, 1, 4, 2, 4, 1, 5, 4, 4, 1, 4, 8, 3, 2, 4, 8, 1, 2, 1, 2, 1, 1, 4, 1, 3, 1, 4, 2, 4, 1, 1, 8, 1, 1, 4, 8, 3, 1, 2, 6, 1, 1, 8, 8, 4, 1, 4, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) = A128924(n,n).

LINKS

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

PROG

(Haskell)

a235715 1 = 1

a235715 n = f 1 ps 0 where

   f 0 (1 : xs) z = z

   f _ (x : xs) z = f x xs (z + 0 ^ (n - 1 - x))

   ps = 1 : 1 : zipWith (\u v -> (u + v) `mod` n) (tail ps) ps

CROSSREFS

Cf. A001176, A001175.

Sequence in context: A265755 A046671 A178760 * A129566 A073809 A303648

Adjacent sequences:  A235712 A235713 A235714 * A235716 A235717 A235718

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jan 17 2014

STATUS

approved

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Last modified December 16 05:59 EST 2018. Contains 318158 sequences. (Running on oeis4.)