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A013836
a(n) = 5^(5*n + 3).
1
125, 390625, 1220703125, 3814697265625, 11920928955078125, 37252902984619140625, 116415321826934814453125, 363797880709171295166015625, 1136868377216160297393798828125, 3552713678800500929355621337890625
OFFSET
0,1
FORMULA
From Philippe Deléham, Dec 03 2008: (Start)
a(n) = 3125*a(n-1), n > 0; a(0)=125.
G.f.: 125/(1-3125*x). (End)
PROG
(Magma) [5^(5*n+3): n in [0..15]]; // Vincenzo Librandi, Jul 07 2011
(PARI) a(n)=5^(5*n+3) \\ Edward Jiang, Sep 06 2014
CROSSREFS
Cf. A000351 (5^n), A016885 (5*n+3).
Sequence in context: A318258 A003751 A120807 * A048563 A239060 A365898
KEYWORD
nonn,easy
STATUS
approved