OFFSET
1,2
COMMENTS
See A190676.
MATHEMATICA
(See A190676.)
Flatten[Position[Table[Floor[3n Sqrt[3]]-3Floor[n Sqrt[3]], {n, 240}], 2]] (* Harvey P. Dale, Mar 24 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, May 16 2011
EXTENSIONS
Cross reference in name corrected by Harvey P. Dale, Mar 24 2013
STATUS
approved