A139739 - OEIS

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A139739

a(n) = 10^n mod 9^n.

2

0, 1, 19, 271, 3439, 40951, 468559, 434062, 13906558, 225159022, 3026431198, 5856821173, 152711390557, 2374402515013, 8492830180156, 176435471621404, 734899055740795, 16614091501667155, 99432188218005274, 544037976289055377, 2738676327544569592

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 0..300

MATHEMATICA

Table[PowerMod[10, n, 9^n], {n, 0, 20}] (* Harvey P. Dale, Dec 15 2013 *)

PROG

(Magma) [10^n mod 9^n: n in [0..20]]; // Vincenzo Librandi, Jun 02 2011

CROSSREFS

Sequence in context: A181043 A142899 A083004 * A016189 A125476 A016248

Adjacent sequences: A139736 A139737 A139738 * A139740 A139741 A139742

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, May 20 2008

STATUS

approved