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A067421
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Sixth column of triangle A067417.
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3
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1, 8, 144, 2592, 46656, 839808, 15116544, 272097792, 4897760256, 88159684608, 1586874322944, 28563737812992, 514147280633856, 9254651051409408, 166583718925369344, 2998506940656648192
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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LINKS
| Vincenzo Librandi, Table of n, a(n) for n = 0..800
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FORMULA
| a(n)= A067417(n+5, 5). a(n)= 8*(3*6)^(n-1), n>=1, a(0)=1.
G.f.: (1-10*x)/(1-18*x).
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PROG
| (MAGMA) [Ceiling(8*(3*6)^(n-1)): n in [0..20]]; // Vincenzo Librandi, Oct 02 2011
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CROSSREFS
| Cf. A067420 (fifth column), A067422 (seventh column), A001027 (powers of 18).
Sequence in context: A065409 A061899 A134492 * A124059 A052764 A024284
Adjacent sequences: A067418 A067419 A067420 * A067422 A067423 A067424
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KEYWORD
| nonn,easy
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AUTHOR
| Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Jan 25 2002
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