A013782 -id:A013782 - cp's OEIS frontend

A013783 a(n) = 5^(4*n + 3).

125, 78125, 48828125, 30517578125, 19073486328125, 11920928955078125, 7450580596923828125, 4656612873077392578125, 2910383045673370361328125, 1818989403545856475830078125, 1136868377216160297393798828125

Offset: 0

N. J. A. Sloane

Vincenzo Librandi, Table of n, a(n) for n = 0..200
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (625).

Subsequence of A000351.

[5^(4*n+3): n in [0..15]]; // Vincenzo Librandi, Jun 28 2011

5^(4*Range[0,20]+3) (* or *) NestList[625#&,125,20] (* Harvey P. Dale, Aug 14 2018 *)

From Philippe Deléham, Nov 30 2008: (Start)
a(n) = 625*a(n-1); a(0)=125.
G.f.: 125/(1-625*x).
a(n) = 25*A013782(n). (End)

A013792 a(n) = 10^(4*n + 1).

Original entry on oeis.org

10, 100000, 1000000000, 10000000000000, 100000000000000000, 1000000000000000000000, 10000000000000000000000000, 100000000000000000000000000000, 1000000000000000000000000000000000, 10000000000000000000000000000000000000, 100000000000000000000000000000000000000000

Offset: 0

N. J. A. Sloane

Vincenzo Librandi, Table of n, a(n) for n = 0..100
Tanya Khovanova, Recursive Sequences.
Index entries for linear recurrences with constant coefficients, signature (10000).

Subsequence of A011557.

Cf. A013715, A013776, A013782, A016813, A098608.

[10^(4*n+1): n in [0..10]]; // Vincenzo Librandi, Jun 28 2011

a(n) = 10000*a(n-1). - Wesley Ivan Hurt, Apr 19 2023
From Elmo R. Oliveira, Aug 30 2024: (Start)
G.f.: 10/(1 - 10000*x).
E.g.f.: 10*exp(10000*x).
a(n) = A011557(A016813(n)) = A098608(n)*A013715(n) = A013776(n)*A013782(n). (End)

cp's OEIS Frontend

A013783 a(n) = 5^(4*n + 3).

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