id:A056773 - OEIS Search Results

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Composite n such that phi[n+4] = phi[n]+4.

+0
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12, 18, 24, 28, 36, 40, 66, 88, 124, 184, 232, 328, 424, 508, 664, 712, 904, 1048, 1384, 1432, 1528, 1864, 1912, 2008, 2248, 2344, 2586, 2872, 3352, 3448, 3544, 3928, 4072, 4744, 5128, 5224, 5272, 5464, 5752, 5944, 6088, 6472, 7288, 7624, 8104, 8152, 8248 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`n=24, Phi[24]+4=8+4=12=Phi[24+4]=Phi[28]`
	CROSSREFS	`A001838, A015913, A055458.` `Sequence in context: A031207 A107794 A162151 this_sequence A136446 A074726 A091013` `Adjacent sequences: A056770 A056771 A056772 this_sequence A056774 A056775 A056776`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Aug 17 2000`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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