A172341 - OEIS

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A172341

a(n)=((2^n+1)^n+(2^n-1)^n)/2

0

2, 17, 536, 67073, 33882272, 68971196417, 563671581328256, 18454625673706995713, 2418183685055827278828032, 1267705002132225806674491867137, 2658490852011206228820564373456050176

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..11.

MATHEMATICA

Table[((2^x + 1)^x + (2^x - 1)^x)/2, {x, 1, 15}]

CROSSREFS

Sequence in context: A293178 A367831 A367829 * A356502 A007759 A062710

Adjacent sequences: A172338 A172339 A172340 * A172342 A172343 A172344

KEYWORD

nonn

AUTHOR

Artur Jasinski, Feb 01 2010

STATUS

approved