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 A154618 #7 Jun 10 2015 18:02:12
%S A154618 7,15,17,39,29,55,27,61,95,43,81,119,37,83,129,175,57,107,157,207,47,
%T A154618 105,163,221,279,71,133,195,257,319,57,127,197,267,337,407,85,159,233,
%U A154618 307,381,455,67,149,231,313,395,477,559,99,185,271,357,443,529,615,77
%N A154618 Triangle read by rows: integer values of T(n,m) = (4*m*n+2*m+2*n-3)/3.
%e A154618 The sequence contains the integers selected from the full table:
%e A154618 5/3;
%e A154618 11/3,7;
%e A154618 17/3,31/3,15;
%e A154618 23/3,41/3,59/3,77/3;
%e A154618 29/3,17,73/3,95/3,39;
%e A154618 35/3,61/3,29,113/3,139/3,55;
%e A154618 41/3,71/3,101/3,131/3,161/3,191/3,221/3;
%e A154618 47/3,27,115/3,149/3,61,217/3,251/3,95;
%t A154618 Select[Flatten[Table[(4*m*n+2*m+2*n-3)/3,{m,30},{n,m}]],IntegerQ] (* _Harvey P. Dale_, Jun 10 2015 *)
%Y A154618 Cf. A034936, A154616
%K A154618 nonn,tabf
%O A154618 1,1
%A A154618 _Vincenzo Librandi_, Jan 16 2009
%E A154618 Keyword:tabl removed, appearance of fractions clarified by _R. J. Mathar_, Oct 16 2009