A013856 a(n) = 10^(5*n + 3).

1000, 100000000, 10000000000000, 1000000000000000000, 100000000000000000000000, 10000000000000000000000000000, 1000000000000000000000000000000000, 100000000000000000000000000000000000000, 10000000000000000000000000000000000000000000, 1000000000000000000000000000000000000000000000000

Offset

0,1

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..50

Tanya Khovanova, Recursive Sequences.

Index entries for linear recurrences with constant coefficients, signature (100000).

Formula

From Elmo R. Oliveira, Mar 02 2025: (Start)

G.f.: 1000/(1 - 100000*x).

E.g.f.: 1000*exp(100000*x).

a(n) = A011557(A016885(n)). (End)

Mathematica

10^(5*Range[0, 10] + 3) (* Paolo Xausa, Mar 04 2025 *)

Prog

(Magma) [10^(5*n+3): n in [0..10]]; // Vincenzo Librandi, Jul 08 2011
(Maxima) makelist(10^(5*n+3), n, 0, 20); /* Martin Ettl, Oct 21 2012 */

Crossrefs

Subsequence of A011557.

Cf. A016885.

Sequence in context: A260692 A234605 A013793 * A111098 A029722 A282638

Adjacent sequences: A013853 A013854 A013855 * A013857 A013858 A013859

Keyword

nonn,easy,changed

Author

N. J. A. Sloane

Status

approved