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A067421 Sixth column of triangle A067417. 4
1, 8, 144, 2592, 46656, 839808, 15116544, 272097792, 4897760256, 88159684608, 1586874322944, 28563737812992, 514147280633856, 9254651051409408, 166583718925369344, 2998506940656648192 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
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).
PROG
(Magma) [Ceiling(8*(3*6)^(n-1)): n in [0..20]]; // Vincenzo Librandi, Oct 02 2011
CROSSREFS
Cf. A067420 (fifth column), A067422 (seventh column), A001027 (powers of 18).
Sequence in context: A065409 A061899 A134492 * A124059 A275867 A052764
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Jan 25 2002
STATUS
approved

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)