id:A072566 - OEIS Search Results

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Numbers n such that n and sigma(n) end with the same digit in base 10.

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1, 14, 34, 40, 44, 74, 78, 81, 84, 94, 120, 124, 134, 138, 164, 190, 194, 198, 204, 214, 224, 244, 254, 258, 270, 274, 280, 284, 290, 294, 314, 318, 334, 360, 361, 364, 380, 394, 404, 438, 440, 441, 444, 454, 462, 498, 514, 520, 524, 528, 540, 544, 554, 558 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`probably lim n -> infinity a(n)/n = 10`
	CROSSREFS	`Sequence in context: A115670 A112878 A085777 this_sequence A039449 A120875 A103533` `Adjacent sequences: A072563 A072564 A072565 this_sequence A072567 A072568 A072569`
	KEYWORD	`base,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 06 2002`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research