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A165928 a(n)=2^(n^2)*(2^(2n+1)/3+1/3). 1
1, 6, 176, 22016, 11206656, 22917677056, 187672890966016, 6149102341220990976, 805956695324444019654656, 422551006026622876918350872576, 886152419740143991345671872421298176 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

Hankel transform of A086871.

CROSSREFS

Sequence in context: A012177 A012227 A012152 * A024278 A062240 A046989

Adjacent sequences:  A165925 A165926 A165927 * A165929 A165930 A165931

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Sep 30 2009

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Last modified February 17 10:57 EST 2012. Contains 206009 sequences.