A117812 - OEIS

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A117812

a(n) = n^(2*n) - 1.

2

0, 0, 15, 728, 65535, 9765624, 2176782335, 678223072848, 281474976710655, 150094635296999120, 99999999999999999999, 81402749386839761113320, 79496847203390844133441535, 91733330193268616658399616008, 123476695691247935826229781856255

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OFFSET

0,3

COMMENTS

a(n) = A048861(n)*A014566(n) = A062206(n) - 1.

LINKS

Table of n, a(n) for n=0..14.

MATHEMATICA

Join[{0}, Table[(n^2)^n-1, {n, 17}]] (* Vladimir Joseph Stephan Orlovsky, Feb 14 2011*)

PROG

(Magma)[n^(2*n) - 1: n in [0..40]]; // Vincenzo Librandi, Dec 26 2010

CROSSREFS

Cf. A000312, A014566, A048861, A062206.

Sequence in context: A209740 A209461 A209523 * A034941 A199227 A055683

Adjacent sequences: A117809 A117810 A117811 * A117813 A117814 A117815

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Oct 17 2006

STATUS

approved