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 A054796 Numbers of form 17+n^2+n or 17+2*n^2. 3
 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 (list; graph; refs; listen; history; text; internal format)
 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 Sequence in context: A115849 A230634 A054484 * A322275 A008366 A126769 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

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Last modified July 24 23:25 EDT 2021. Contains 346273 sequences. (Running on oeis4.)