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Search: id:A104008
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A104008 Area of (a,a+1,a+1)-integer triangle. Corresponding a's are in A103975. +0
2
120, 25080, 4890480, 949077360, 184120982760, 35718589344360, 6929223155685600, 1344233586759971040, 260774386791383159640, 50588886806491889178840, 9813983266108156439587920 (list; graph; listen)
OFFSET

1,1

FORMULA

s(n)=(a/4)*sqrt[(3a+2)(a+2)] where a=A103975(n)

CROSSREFS

Cf. A103975.

Sequence in context: A151985 A105188 A151604 this_sequence A054778 A027493 A145407

Adjacent sequences: A104005 A104006 A104007 this_sequence A104009 A104010 A104011

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Feb 24 2005

EXTENSIONS

More terms from Max Alekseyev (maxale(AT)gmail.com), May 31 2007

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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