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A023170 Numbers k such that Fibonacci(k) == -55 (mod k). 0
1, 2, 3, 5, 10, 20, 70, 110, 116, 130, 170, 230, 285, 322, 370, 430, 470, 494, 530, 555, 620, 670, 730, 770, 830, 970, 1030, 1070, 1130, 1270, 1334, 1370, 1570, 1630, 1670, 1730, 1930, 1970, 2230, 2270, 2330, 2530, 2570, 2630, 2770, 2830, 2870, 2930, 3070 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..49.

MATHEMATICA

Select[ Range[ 3100], Mod[ Mod[ Fibonacci[ #], #] + 55 - #, #] == 0 &] (* Harvey P. Dale, Jan 20 2012, modified by Robert G. Wilson v Sep 04 2013 *)

CROSSREFS

Cf. A000045.

Sequence in context: A293323 A257113 A076834 * A125312 A300550 A014626

Adjacent sequences:  A023167 A023168 A023169 * A023171 A023172 A023173

KEYWORD

nonn

AUTHOR

David W. Wilson

STATUS

approved

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Last modified October 16 02:44 EDT 2021. Contains 348034 sequences. (Running on oeis4.)