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Search: id:A083083
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A083083 A diagonal of number array A083075. +0
3
1, 7, 97, 1831, 43393, 1242375, 41818561, 1620979687, 71191804801, 3496805826823, 190053352702753, 11329044782441127, 735151931535979777, 51600331868857972231, 3896042468112362132353, 314921475287825567805799 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=((n+2)(2n+7)^n+1)/(n+3)

CROSSREFS

Cf. A083082, A083084.

Adjacent sequences: A083080 A083081 A083082 this_sequence A083084 A083085 A083086

Sequence in context: A093172 A074110 A011943 this_sequence A022007 A058805 A132061

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Apr 23 2003

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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