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A135315 8^n*7^(n^2). 1
1, 56, 153664, 20661046784, 136122083613085696, 43944136529148801869643776, 695135330857032999706040305346412544, 538807794445443668301287736683760181725850763264 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

COMMENTS

Hankel transform of A130979 .

FORMULA

a(n)=8^n*7^(n^2)=A001018(n)*A060759(n) .

CROSSREFS

Sequence in context: A009837 A093256 A177325 * A135426 A028670 A076181

Adjacent sequences:  A135312 A135313 A135314 * A135316 A135317 A135318

KEYWORD

nonn

AUTHOR

Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Dec 05 2007

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Last modified February 15 14:02 EST 2012. Contains 205811 sequences.