OFFSET
0,1
LINKS
Tanya Khovanova, Recursive Sequences
Index entries for linear recurrences with constant coefficients, signature (2,-1).
MATHEMATICA
Range[21, 2000, 24] (* Vladimir Joseph Stephan Orlovsky, Jun 14 2011 *)
24*Range[0, 60]+21 (* or *) LinearRecurrence[{2, -1}, {21, 45}, 60] (* Harvey P. Dale, Oct 06 2015 *)
PROG
(PARI) a(n)=24*n+21 \\ Charles R Greathouse IV, Jun 14 2011
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Alexandre Wajnberg, Jan 29 2005
STATUS
approved