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A083530 7^n mod 2n. +0
4
1, 1, 1, 1, 7, 1, 7, 1, 1, 9, 7, 1, 7, 21, 13, 1, 7, 1, 7, 1, 7, 5, 7, 1, 7, 49, 1, 49, 7, 49, 7, 1, 13, 49, 63, 1, 7, 49, 31, 1, 7, 49, 7, 25, 37, 49, 7, 1, 49, 49, 37, 9, 7, 1, 43, 49, 1, 49, 7, 1, 7, 49, 91, 1, 37, 37, 7, 89, 67, 49, 7, 1, 7, 49, 43, 121, 105, 25, 7, 1, 1, 49, 7, 49, 147, 49 (list; graph; listen)
OFFSET

1,5

EXAMPLE

n = 5, a(5) = 7: modulus = 2n = 10; 7^n = 7^5 = 16807 = 1680.10+7 = 16800+a(5).

MATHEMATICA

Table[Mod[7^w, 2*w], {w, 1, 100}]

CROSSREFS

Cf. A000079, A000244, A000351, A000420, A082511, A083528, A083529.

Sequence in context: A145423 A019796 A132728 this_sequence A010688 A160798 A033953

Adjacent sequences: A083527 A083528 A083529 this_sequence A083531 A083532 A083533

KEYWORD

easy,nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Apr 30 2003

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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