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Sixth column of triangle A067417.
4

%I #12 Jun 29 2023 10:43:39

%S 1,8,144,2592,46656,839808,15116544,272097792,4897760256,88159684608,

%T 1586874322944,28563737812992,514147280633856,9254651051409408,

%U 166583718925369344,2998506940656648192

%N Sixth column of triangle A067417.

%H Vincenzo Librandi, <a href="/A067421/b067421.txt">Table of n, a(n) for n = 0..800</a>

%H <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (18).

%F a(n) = A067417(n+5, 5).

%F a(n) = 8*(3*6)^(n-1), n >= 1, a(0)=1.

%F G.f.: (1-10*x)/(1-18*x).

%o (Magma) [Ceiling(8*(3*6)^(n-1)): n in [0..20]]; // _Vincenzo Librandi_, Oct 02 2011

%Y Cf. A067420 (fifth column), A067422 (seventh column), A001027 (powers of 18).

%K nonn,easy

%O 0,2

%A _Wolfdieter Lang_, Jan 25 2002