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A110139 Floor(n/2)^floor(n/2). 0
1, 1, 1, 1, 4, 4, 27, 27, 256, 256, 3125, 3125, 46656, 46656, 823543, 823543, 16777216, 16777216, 387420489, 387420489, 10000000000, 10000000000, 285311670611, 285311670611, 8916100448256, 8916100448256, 302875106592253 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,5

LINKS

Table of n, a(n) for n=0..26.

FORMULA

a(n)=(n/2)^(n/2)(1+(-1)^n)/2+((n-1)/2)^((n-1)/2)(1-(-1)^n)/2; a(2n)=a(2n+1)=n^n=A000312(n).

CROSSREFS

Sequence in context: A117429 A132650 A112953 * A078146 A066836 A227715

Adjacent sequences:  A110136 A110137 A110138 * A110140 A110141 A110142

KEYWORD

easy,nonn

AUTHOR

Paul Barry, Jul 13 2005

STATUS

approved

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Last modified December 17 04:09 EST 2017. Contains 296096 sequences.