A010857 Constant sequence: a(n) = 18.

18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Links

• Tanya Khovanova, Recursive Sequences
• Index to divisibility sequences
• Index entries for linear recurrences with constant coefficients, signature (1).

Programs

Mathematica

Table[18,{80}] (* Vincenzo Librandi, Jan 20 2012 *)

Formula

G.f.: 18/(1-x); e.g.f.: 18*e^x. - Vincenzo Librandi, Jan 20 2012