OFFSET
1,2
FORMULA
Conjectured to be asymptotic to 3n as n -> infinity.
MATHEMATICA
lst={1}; i=2; Do[If[MemberQ[lst, i], AppendTo[lst, Last[lst]-1], AppendTo[ lst, Last[lst]+5]]; i++, {60}]; lst (* Harvey P. Dale, Aug 20 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Mar 07 2003
STATUS
approved