id:A093109 - OEIS Search Results

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Numbers n such that the Zsigmondy number Zs(n,5,1) differs from the n-th cyclotomic polynomial evaluated at 5.

+0
4

2, 4, 6, 8, 16, 18, 32, 42, 52, 54, 55, 64, 93, 128, 162, 171, 256, 272, 294, 355, 406, 486, 506, 512, 605, 676, 820, 1024, 1332, 1458, 1474, 1711, 1806, 1830, 2048, 2058, 2162, 2504, 2525, 2715, 2756, 2883, 2943, 3081, 3249, 3629, 3916, 4096, 4374, 4624, 5210 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`A019323(n) does not equal A064081(n).` `Vladeta Jovovic points out that the sequence seems to contain the powers of two as well as the numbers of the form 3*2^k.`
	CROSSREFS	`Cf. A093107, A093108, A093106.` `Sequence in context: A058602 A133808 A160560 this_sequence A070034 A064408 A100685` `Adjacent sequences: A093106 A093107 A093108 this_sequence A093110 A093111 A093112`
	KEYWORD	`nonn`
	AUTHOR	`Ralf Stephan (ralf(AT)ark.in-berlin.de), Mar 20 2004`
	EXTENSIONS	`More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Apr 02 2004` `Definition corrected by Jerry Metzger, Nov 04 2009`

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Last modified December 17 19:39 EST 2009. Contains 170821 sequences.

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