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A067423
Eighth column of triangle A067417.
4
1, 10, 240, 5760, 138240, 3317760, 79626240, 1911029760, 45864714240, 1100753141760, 26418075402240, 634033809653760, 15216811431690240, 365203474360565760, 8764883384653578240, 210357201231685877760
OFFSET
0,2
FORMULA
a(n) = A067417(n+7, 7).
a(n) = 10*(3*8)^(n-1), n >= 1, a(0)=1.
G.f.: (1-14*x)/(1-24*x).
PROG
(Magma) [Ceiling(10*(3*8)^(n-1)): n in [0..20]]; // Vincenzo Librandi, Oct 02 2011
CROSSREFS
Cf. A067422 (seventh column), A067424 (ninth column), A009968 (powers of 24).
Sequence in context: A013922 A215835 A006423 * A221099 A171204 A156443
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Jan 25 2002
STATUS
approved