OFFSET
1,3
EXAMPLE
Triangle begins:
1;
1,3;
1,3,5;
1,3,5,2,9;
1,3,5,2,9,3,12;
1,3,5,2,9,3,12,2,6,3,20;
1,3,5,2,9,3,12,2,6,3,20,3,7,4,25;
1,3,5,2,9,3,12,2,6,3,20,3,7,4,25,2,6,3,13,5,4,38;
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Omar E. Pol, Nov 27 2011
STATUS
approved