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 A045929 #23 Apr 16 2023 08:36:21
%S A045929 1,2,7,12,17,18,23,28,33,38,43,48,49,54,59,64,69,74,79,84,89,94,95,
%T A045929 100,105,110,115,120,125,130,135,140,145,150,155,156,161,166,171,176,
%U A045929 181,186,191,196,201,206,211,216,221,226,231,232,237,242,247,252,257,262,267,272,277
%N A045929 Generalized Connell sequence C_{5,3}.
%H A045929 Douglas E. Iannucci and Donna Mills-Taylor, <a href="http://www.cs.uwaterloo.ca/journals/JIS/IANN/iann1.html">On Generalizing the Connell Sequence</a>, J. Integer Sequences, Vol. 2, 1999, #99.1.7.
%F A045929 a(n) = 5*n - 4*floor((7 + sqrt(24*n - 23))/6). See general formula in A045928. - _Michel Marcus_, Apr 02 2013
%e A045929 From _Michel Marcus_, Apr 02 2013: (Start)
%e A045929 As a triangle, sequence begins:
%e A045929 1;
%e A045929 2, 7, 12, 17;
%e A045929 18, 23, 28, 33, 38, 43, 48;
%e A045929 ...
%e A045929 (End)
%t A045929 Table[5*n - 4*Floor[(7 + Sqrt[24*n - 23])/6],{n,61}] (* _Stefano Spezia_, Apr 15 2023 *)
%Y A045929 Cf. A045928.
%K A045929 nonn,easy
%O A045929 1,2
%A A045929 _N. J. A. Sloane_
%E A045929 More terms from jeroen.lahousse(AT)icl.com