A070487 a(n) = n^3 mod 25.

0, 1, 8, 2, 14, 0, 16, 18, 12, 4, 0, 6, 3, 22, 19, 0, 21, 13, 7, 9, 0, 11, 23, 17, 24, 0, 1, 8, 2, 14, 0, 16, 18, 12, 4, 0, 6, 3, 22, 19, 0, 21, 13, 7, 9, 0, 11, 23, 17, 24, 0, 1, 8, 2, 14, 0, 16, 18, 12, 4, 0, 6, 3, 22, 19, 0, 21, 13, 7, 9, 0, 11, 23, 17, 24, 0, 1, 8, 2, 14, 0, 16, 18, 12, 4

Offset

0,3

Links

G. C. Greubel, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1).

Formula

a(n) = a(n-25). - G. C. Greubel, Mar 30 2016

Mathematica

Mod[Range[0, 100]^3, 25]  (* Harvey P. Dale, Mar 14 2011 *)

Prog

(Sage) [power_mod(n, 3, 25 )for n in range(0, 85)] # Zerinvary Lajos, Oct 29 2009
(PARI) a(n)=n^3%25 \\ Charles R Greathouse IV, Apr 06 2016

Crossrefs

Sequence in context: A353572 A084495 A084499 * A167623 A040063 A196170

Adjacent sequences: A070484 A070485 A070486 * A070488 A070489 A070490

Keyword

nonn,easy

Author

N. J. A. Sloane, May 12 2002

Status

approved