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A010860 Constant sequence: a(n) = 21. 1
21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..53.

Tanya Khovanova, Recursive Sequences

Index to divisibility sequences

Index entries for linear recurrences with constant coefficients, signature (1).

FORMULA

G.f.: 21/(1-x); e.g.f.: 21*e^x. - Vincenzo Librandi, Jan 24 2012

CROSSREFS

Sequence in context: A195033 A267147 A154352 * A158772 A151910 A040421

Adjacent sequences:  A010857 A010858 A010859 * A010861 A010862 A010863

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified August 21 09:54 EDT 2017. Contains 290864 sequences.