This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A054796 #9 Jul 02 2025 16:01:59
%S A054796 17,19,23,25,29,35,37,47,49,59,67,73,89,107,115,127,145,149,173,179,
%T A054796 199,217,227,257,259,289,305,323,355,359,397,409,437,467,479,523,529,
%U A054796 569,595,617,665,667,719,739,773,817,829,887,899,947,985,1009,1073
%N A054796 Numbers of form 17+n^2+n or 17+2*n^2.
%H A054796 Harvey P. Dale, <a href="/A054796/b054796.txt">Table of n, a(n) for n = 1..1000</a>
%t A054796 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 *)
%Y A054796 A052293.
%K A054796 nonn
%O A054796 1,1
%A A054796 Stuart M. Ellerstein (ellerstein(AT)aol.com), Apr 27 2000
%E A054796 More terms from _James Sellers_, Apr 28 2000