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A032772 n(n+1)(n+2)...(n+5) / n+(n+1)+(n+2)+...+(n+5) is an integer. +0
3
0, 5, 10, 35 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Cf. A032771, A032773.

Sequence in context: A052538 A073705 A121158 this_sequence A117865 A163305 A001692

Adjacent sequences: A032769 A032770 A032771 this_sequence 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 November 30 13:13 EST 2009. Contains 167758 sequences.


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