A013855 a(n) = 10^(5*n + 2).

100, 10000000, 1000000000000, 100000000000000000, 10000000000000000000000, 1000000000000000000000000000, 100000000000000000000000000000000, 10000000000000000000000000000000000000, 1000000000000000000000000000000000000000000, 100000000000000000000000000000000000000000000000

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

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).

Crossrefs

Subsequence of A011557.

Cf. A016873.

Programs

Magma

[10^(5*n+2): n in [0..10]]; // Vincenzo Librandi, Jul 08 2011

Mathematica

10^(5*Range[0, 10] + 2) (* Paolo Xausa, Mar 02 2025 *)

Formula

From Elmo R. Oliveira, Feb 27 2025: (Start)

G.f.: 100/(1 - 100000*x).

E.g.f.: 100*exp(100000*x).

a(n) = A011557(A016873(n)). (End)