OFFSET
1,2
LINKS
MATHEMATICA
Join[{0}, Range[3, 80]] (* Harvey P. Dale, Jan 18 2016 *)
PROG
(PARI) a(n)=if(n==1, 0, n+1) \\ Charles R Greathouse IV, Sep 02 2011
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Giovanni Teofilatto, Feb 18 2006
EXTENSIONS
Edited by N. J. A. Sloane, Oct 11 2008
STATUS
approved