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A083070 First super-diagonal of number array A083064. 3
1, 5, 43, 469, 6221, 98041, 1797559, 37665881, 888888889, 23343682141, 675462155171, 21356578028941, 732659790696133, 27107717023577009, 1076060070966390511, 45619867383437689201, 2057328526812890853617 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..17.

FORMULA

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

CROSSREFS

Cf. A083069, A083071.

Sequence in context: A239265 A274666 A301976 * A191802 A092471 A093620

Adjacent sequences:  A083067 A083068 A083069 * A083071 A083072 A083073

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Apr 21 2003

STATUS

approved

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Last modified January 27 13:45 EST 2022. Contains 350607 sequences. (Running on oeis4.)