id:A028965 - OEIS Search Results

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Six consecutive integers with increasing values of sigma start at these numbers; i.e. sigma(x)>sigma(x+1)> ... >sigma(x+5).

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36721681, 69514441, 96375121, 151676521, 165370201, 230678521, 240103321, 245370121, 339063721, 343388041, 347425921, 351676321, 357081721, 455460001, 461586121, 500865361, 630955321, 774378601, 863747881, 979521721 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`sigma(36721681)=37085364 < sigma(36721682)=55082526 < ... < sigma(36721686)=76876128, so 36721681 is in the sequence.`
	CROSSREFS	`Cf. A000203.` `Sequence in context: A064586 A105296 A081641 this_sequence A034645 A015365 A105004` `Adjacent sequences: A028962 A028963 A028964 this_sequence A028966 A028967 A028968`
	KEYWORD	`nonn`
	AUTHOR	`Jud McCranie (j.mccranie(AT)comcast.net), Jan 02 2000`

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Last modified September 8 08:06 EDT 2008. Contains 143486 sequences.

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