OFFSET
1,1
EXAMPLE
The sequence contains the integers selected from the full table:
5/3;
11/3,7;
17/3,31/3,15;
23/3,41/3,59/3,77/3;
29/3,17,73/3,95/3,39;
35/3,61/3,29,113/3,139/3,55;
41/3,71/3,101/3,131/3,161/3,191/3,221/3;
47/3,27,115/3,149/3,61,217/3,251/3,95;
MATHEMATICA
Select[Flatten[Table[(4*m*n+2*m+2*n-3)/3, {m, 30}, {n, m}]], IntegerQ] (* Harvey P. Dale, Jun 10 2015 *)
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Vincenzo Librandi, Jan 16 2009
EXTENSIONS
Keyword:tabl removed, appearance of fractions clarified by R. J. Mathar, Oct 16 2009
STATUS
approved