A117812 a(n) = n^(2*n) - 1.

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

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