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A013751
a(n) = 12^(3*n + 2).
2
144, 248832, 429981696, 743008370688, 1283918464548864, 2218611106740436992, 3833759992447475122176, 6624737266949237011120128, 11447545997288281555215581184
OFFSET
0,1
FORMULA
From Philippe Deléham, Nov 30 2008: (Start)
a(n) = 1728*a(n-1); a(0)=144.
G.f.: 144/(1-1728*x).
a(n) = 12*A013750(n). (End)
PROG
(Magma) [12^(3*n+2): n in [0..15]]; // Vincenzo Librandi, Jun 27 2011
(PARI) a(n)=12^(3*n+2) \\ Charles R Greathouse IV, Jun 27 2011
CROSSREFS
Subsequence of A001021.
Sequence in context: A047807 A023112 A159424 * A033514 A086778 A227652
KEYWORD
nonn,easy
STATUS
approved