A032772 n(n+1)(n+2)...(n+5) / (n+(n+1)+(n+2)+...+(n+5)) is an integer.

0, 5, 10, 35

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