A054796 Numbers of form 17+n^2+n or 17+2*n^2.

17, 19, 23, 25, 29, 35, 37, 47, 49, 59, 67, 73, 89, 107, 115, 127, 145, 149, 173, 179, 199, 217, 227, 257, 259, 289, 305, 323, 355, 359, 397, 409, 437, 467, 479, 523, 529, 569, 595, 617, 665, 667, 719, 739, 773, 817, 829, 887, 899, 947, 985, 1009, 1073

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

A052293.

Sequence in context: A230634 A354880 A054484 * A352379 A322275 A008366

Adjacent sequences: A054793 A054794 A054795 * A054797 A054798 A054799

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