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A032772 n(n+1)(n+2)...(n+5) / (n+(n+1)+(n+2)+...+(n+5)) is an integer. 2
0, 5, 10, 35 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..3.

CROSSREFS

Cf. A032771, A032773.

Sequence in context: A328130 A121158 A214650 * A326232 A189732 A307607

Adjacent sequences:  A032769 A032770 A032771 * A032773 A032774 A032775

KEYWORD

nonn,fini,full

AUTHOR

Patrick De Geest, 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).

STATUS

approved

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Last modified April 14 22:47 EDT 2021. Contains 342971 sequences. (Running on oeis4.)