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A135320
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a(n) = 9^n * 8^(n^2).
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2
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1, 72, 331776, 97844723712, 1846757322198614016, 2230808147575757441788280832, 172462464674787958108367218731066064896, 853310183691766528293183623126485287871181154680832
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OFFSET
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0,2
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COMMENTS
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Hankel transform of A130980 .
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LINKS
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Vincenzo Librandi, Table of n, a(n) for n = 0..30
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FORMULA
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a(n) = 9^n * 8^(n^2) = A001019(n) * A060760(n).
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MATHEMATICA
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Table[9^n*8^(n^2), {n, 0, 10}] (* G. C. Greubel, Oct 09 2016 *)
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PROG
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(MAGMA) [9^n*8^(n^2): n in [0..10]]; // Vincenzo Librandi, May 31 2011
(PARI) a(n)=9^n*8^(n^2) \\ Charles R Greathouse IV, Oct 09 2016
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CROSSREFS
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Sequence in context: A318184 A290182 A008703 * A135427 A028671 A261815
Adjacent sequences: A135317 A135318 A135319 * A135321 A135322 A135323
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KEYWORD
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nonn,easy
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AUTHOR
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Philippe Deléham, Dec 06 2007
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EXTENSIONS
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Corrected a(5), Vincenzo Librandi, May 31 2011
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STATUS
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approved
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