OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
MATHEMATICA
Module[{upto=410000}, Select[Flatten[Table[{17+n^2+n, 17+2n^2}, {n, 0, Ceiling[ (Sqrt[4*upto-67]-1)/2]}]]//Union, #<=upto&]] (* Harvey P. Dale, Oct 22 2016 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Stuart M. Ellerstein (ellerstein(AT)aol.com), Apr 27 2000
EXTENSIONS
More terms from James A. Sellers, Apr 28 2000
STATUS
approved