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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
OFFSET
0,1
FORMULA
G.f.: 21/(1-x); e.g.f.: 21*e^x. - Vincenzo Librandi, Jan 24 2012
CROSSREFS
Sequence in context: A267147 A154352 A291433 * A158772 A151910 A040421
KEYWORD
nonn,easy
STATUS
approved