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A216131
a(n) = 11^n mod 1000.
1
1, 11, 121, 331, 641, 51, 561, 171, 881, 691, 601, 611, 721, 931, 241, 651, 161, 771, 481, 291, 201, 211, 321, 531, 841, 251, 761, 371, 81, 891, 801, 811, 921, 131, 441, 851, 361, 971, 681, 491, 401, 411, 521, 731, 41, 451, 961, 571, 281, 91, 1, 11, 121, 331, 641, 51, 561, 171, 881, 691, 601
OFFSET
0,2
COMMENTS
Period = 50.
LINKS
MATHEMATICA
PowerMod[11, Range[0, 100], 1000] (* Vincenzo Librandi, Aug 16 2016 *)
PROG
(PARI) for(i=0, 100, print(11^i%1000" "))
(Magma) [Modexp(11, n, 1000): n in [0..110]]; // Vincenzo Librandi, Aug 16 2016
CROSSREFS
Cf. A216100.
Sequence in context: A014951 A223223 A240942 * A338784 A223392 A262468
KEYWORD
nonn,easy
AUTHOR
V. Raman, Sep 01 2012
EXTENSIONS
a(0) = 1 prepended and offset changed by Vincenzo Librandi, Aug 16 2016
STATUS
approved