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A013736
a(n) = 5^(3*n + 1).
2
5, 625, 78125, 9765625, 1220703125, 152587890625, 19073486328125, 2384185791015625, 298023223876953125, 37252902984619140625, 4656612873077392578125, 582076609134674072265625, 72759576141834259033203125
OFFSET
0,1
FORMULA
From Philippe Deléham, Nov 25 2008: (Start)
a(n) = 125*a(n-1); a(0)=5.
G.f.: 5/(1-125*x). (End)
MAPLE
seq(5^(3*n+1), n=0..12); # Nathaniel Johnston, Jun 26 2011
MATHEMATICA
5^(3Range[0, 15]+1) (* or *) NestList[125 #&, 5, 15] (* Harvey P. Dale, Jun 25 2011 *)
PROG
(Magma) [5^(3*n+1): n in [0..20]]; // Vincenzo Librandi, May 25 2011
(PARI) a(n)=5^(3*n+1) \\ Charles R Greathouse IV, Jul 11 2016
CROSSREFS
Cf. A013737.
Sequence in context: A283098 A216933 A274704 * A209589 A060758 A348081
KEYWORD
nonn,easy
STATUS
approved