OFFSET
0,5
COMMENTS
LINKS
EXAMPLE
Apparently this is an irregular triangle:
0;
1, 1;
1, 2, 3, 2;
1, 2, 4, 4, 3, 5, 7, 4;
1, 2, 4, 6, 8,...
CROSSREFS
KEYWORD
nonn,tabf,more
AUTHOR
Omar E. Pol, Mar 21 2013
STATUS
approved