id:A072604 - OEIS Search Results

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Last digit of n, Phi(n) and sigma(n) is 0 in base 10.

+0
1

440, 600, 950, 1000, 1240, 1320, 1350, 1400, 1450, 1640, 1900, 2090, 2200, 2440, 2600, 2700, 2840, 2850, 2900, 2950, 2970, 3000, 3080, 3190, 3400, 3720, 3800, 3950, 3960, 4040, 4180, 4200, 4350, 4450, 4600, 4750, 4840, 4920, 5240, 5400, 5450, 5700 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`Does lim n -> infinity a(n)/n exists ?`
	EXAMPLE	`phi(1240)=480 sigma(1240)=2880 hence 1240 is in the sequence.`
	CROSSREFS	`Sequence in context: A157737 A061328 A092048 this_sequence A158319 A061626 A124170` `Adjacent sequences: A072601 A072602 A072603 this_sequence A072605 A072606 A072607`
	KEYWORD	`base,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 06 2002`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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