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Search: id:A083070
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A083070 First super-diagonal of number array A083064. +0
4
1, 5, 43, 469, 6221, 98041, 1797559, 37665881, 888888889, 23343682141, 675462155171, 21356578028941, 732659790696133, 27107717023577009, 1076060070966390511, 45619867383437689201, 2057328526812890853617 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n)=((n-1)(n+1)^n+1)/n

CROSSREFS

Cf. A083069, A083071.

Sequence in context: A038140 A082311 A112115 this_sequence A092471 A093620 A107720

Adjacent sequences: A083067 A083068 A083069 this_sequence A083071 A083072 A083073

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Apr 21 2003

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.


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