id:A072589 - OEIS Search Results

Search: id:A072589

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n, Phi(n) and sigma(n) end with the same digit.

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1, 84, 204, 294, 364, 440, 444, 564, 600, 644, 804, 884, 950, 1000, 1134, 1164, 1204, 1240, 1274, 1284, 1320, 1344, 1350, 1400, 1450, 1484, 1524, 1564, 1640, 1644, 1734, 1884, 1900, 1924, 2004, 2044, 2090, 2200, 2254, 2324, 2364, 2440, 2444, 2600, 2700 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`It seems that lim n -> infinity a(n)/n exists around 40`
	CROSSREFS	`Sequence in context: A044635 A044416 A044797 this_sequence A135804 A112066 A096383` `Adjacent sequences: A072586 A072587 A072588 this_sequence A072590 A072591 A072592`
	KEYWORD	`base,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 06 2002`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research