A032772 - OEIS

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A032772

n(n+1)(n+2)...(n+5) / n+(n+1)+(n+2)+...+(n+5) is an integer.

0, 5, 10, 35 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Cf. A032771, A032773.` `Sequence in context: A052538 A073705 A121158 * A189732 A174933 A191580` `Adjacent sequences: A032769 A032770 A032771 * A032773 A032774 A032775`
	KEYWORD	`nonn,fini,full,bref`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.`
	EXTENSIONS	`The sequence ends at 35: n(n+1)...(n+5)/n n+1 ... + n+5 = (1/192)[ 32n^5 + ... +1518n +45 - 225/(2n+5) ]; if this is an integer then n < 111 - comment from Douglas Burke (dburke(AT)nevada.edu).`

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Last modified February 17 23:35 EST 2012. Contains 206085 sequences.