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A235249 Fixed point when A001175 (Pisano periods) is iterated with starting value n. 2
1, 24, 24, 24, 120, 24, 24, 24, 24, 120, 120, 24, 24, 24, 120, 24, 24, 24, 24, 120, 24, 120, 24, 24, 600, 24, 24, 24, 24, 120, 120, 24, 120, 24, 120, 24, 24, 24, 24, 120, 120, 24, 120, 120, 120, 24, 24, 24, 24, 600, 24, 24, 24, 24, 120, 24, 24, 24, 24, 120 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A001175(a(n)) = a(n).

LINKS

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

J. D. Fulton and W. L. Morris, On arithmetical functions related to the Fibonacci numbers, Acta Arithmetica, 16 (1969), 105-110.

Wikipedia, Pisano period

FORMULA

a(n) = 24*5^(A001179(n)-1) for n > 1.

PROG

(Haskell)

a235249 n = if y == n then n else a235249 y  where y = a001175 n

CROSSREFS

Sequence in context: A308419 A010863 A217140 * A115028 A099543 A188311

Adjacent sequences:  A235246 A235247 A235248 * A235250 A235251 A235252

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jan 15 2014

STATUS

approved

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Last modified October 21 22:47 EDT 2021. Contains 348160 sequences. (Running on oeis4.)