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Search: id:A094647
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A094647 n^(2n)-(2n)^n. +0
1
-1, 0, 513, 61440, 9665625, 2173796352, 678117659345, 281470681743360, 150094436937708753, 99999989760000000000, 81402748802521459701993, 79496847166870496697384960, 91733330190787463785195879433 (list; graph; listen)
OFFSET

1,3

EXAMPLE

a(3) = 513 because 3^(2*3)-(2*3)^3 = 3^6-6^3 = 513.

MATHEMATICA

a[n_] := n^n(n^n - 2^n); Table[a[n], {n, 13}] (from Robert G. Wilson v May 24 2004)

CROSSREFS

Cf. A007925, A046065.

Sequence in context: A007487 A023878 A086030 this_sequence A118709 A103351 A045054

Adjacent sequences: A094644 A094645 A094646 this_sequence A094648 A094649 A094650

KEYWORD

easy,sign

AUTHOR

Gregory S. Thoman (fealuinix(AT)yahoo.com), May 18 2004

EXTENSIONS

More terms from Emeric Deutsch (deutsch(AT)duke.poly.edu), Robert G. Wilson v (rgwv(AT)rgwv.com) and Pab Ter (pabrlos(AT)yahoo.com), May 24 2004

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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