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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; refs; listen; history; internal format)
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OFFSET
| 1,5
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 1..1000
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EXAMPLE
| n = 5, a(5) = 7: modulus = 2n = 10; 7^n = 7^5 = 16807 = 1680.10+7 = 16800+a(5).
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MATHEMATICA
| Table[Mod[7^w, 2*w], {w, 1, 100}]
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PROG
| (MAGMA) [7^n mod(2*n): n in [1..100]]; // Vincenzo Librandi, Jul 31 2011
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CROSSREFS
| Cf. A000079, A000244, A000351, A000420, A082511, A083528, A083529.
Sequence in context: A190264 A199076 A132728 * A191562 A171544 A010688
Adjacent sequences: A083527 A083528 A083529 * A083531 A083532 A083533
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KEYWORD
| easy,nonn
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Apr 30 2003
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