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A135398 3^n*4^(n^2). 0
1, 12, 2304, 7077888, 347892350976, 273593677362757632, 3442605166011971360784384, 693087965674784425268322477539328, 2232592609368277258783200799359831235362816 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

Hankel transform of A132863 .

FORMULA

a(n)=3^n*4^(n^2)=A000244(n)*A060757(n) .

CROSSREFS

Sequence in context: A205157 A205306 A129206 * A203426 A195536 A010053

Adjacent sequences:  A135395 A135396 A135397 * A135399 A135400 A135401

KEYWORD

nonn

AUTHOR

Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Dec 11 2007

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Last modified February 16 11:51 EST 2012. Contains 205908 sequences.