id:A015913 - OEIS Search Results

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Numbers n such that sigma(n) + 4 = sigma(n + 4).

+0
19

3, 7, 13, 19, 37, 43, 67, 79, 97, 103, 109, 127, 163, 193, 223, 229, 277, 307, 313, 349, 379, 397, 439, 457, 463, 487, 499, 613, 643, 673, 739, 757, 769, 823, 853, 859, 877, 883, 907, 937, 967, 1009, 1087, 1093, 1213, 1279, 1297, 1303, 1423 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`This sequence contains the composite number 305635357, so is different from A023200 and A029710 (305635357 is the only composite member of the present sequence below 10^9) - Jud McCranie (j.mccranie(AT)comcast.net), Jan 07, 2001.`
	CROSSREFS	`Cf. A023200, A029710.` `Sequence in context: A023217 A106077 A048977 this_sequence A023200 A046136 A098044` `Adjacent sequences: A015910 A015911 A015912 this_sequence A015914 A015915 A015916`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com)`

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Last modified July 4 13:19 EDT 2008. Contains 140839 sequences.

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