A013793 a(n) = 10^(4*n + 3).

1000, 10000000, 100000000000, 1000000000000000, 10000000000000000000, 100000000000000000000000, 1000000000000000000000000000, 10000000000000000000000000000000, 100000000000000000000000000000000000, 1000000000000000000000000000000000000000

Offset

0,1

Links

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).

Formula

From Elmo R. Oliveira, Aug 30 2024: (Start)

G.f.: 1000/(1 - 10000*x).

E.g.f.: 1000*exp(10000*x).

a(n) = 10000*a(n-1) for n > 0.

a(n) = A011557(A004767(n)) = A013715(n)*A098608(n+1) = A013777(n)*A013783(n). (End)

Prog

(Magma) [10^(4*n+3): n in [0..10]]; // Vincenzo Librandi, Jun 28 2011
(Maxima) makelist(10^(4*n+3), n, 0, 20); /* Martin Ettl, Oct 21 2012 */

Crossrefs

Cf. A004767, A011557, A013715, A013777, A013783, A098608.

Sequence in context: A060366 A260692 A234605 * A013856 A111098 A029722

Adjacent sequences: A013790 A013791 A013792 * A013794 A013795 A013796

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved