A268615 Lucas numbers mod 40.

2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39, 2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39, 2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39, 2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39, 2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39, 2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39, 2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39, 2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39, 2, 1, 3, 4, 7, 11

Offset

0,1

Comments

This sequence is of period 12.

This is one of four sequences that are period 12 of the form Lucas[n] Mod x, where x is 8,10,20,40.

Links

G. C. Greubel, Table of n, a(n) for n = 0..10000

Formula

a(n+12) = a(n).

Mathematica

Table[Mod[LucasL[n], 40], {n, 0, 100}]
PadRight[{}, 120, {2, 1, 3, 4, 7, 11, 18, 29, 7, 36, 3, 39}] (* Harvey P. Dale, Feb 04 2019 *)

Prog

(Magma) [Lucas(n) mod 40: n in [0..100]]; // Vincenzo Librandi, Feb 09 2016

Crossrefs

Cf. A000032, A111958, A130893, A268613.

Sequence in context: A070827 A160191 A268613 * A061084 A000032 A329723

Adjacent sequences: A268612 A268613 A268614 * A268616 A268617 A268618

Keyword

nonn,easy

Author

G. C. Greubel, Feb 08 2016

Status

approved