OFFSET
0,3
LINKS
EXAMPLE
Written as an irregular triangle begins:
0;
1;
2;
4,4;
4,4,7,8;
4,4,8,12,8,8,13,16;
4,4,8,12,16,16,20,24,12,8,16,28,16,16,25,32;
4,4,8,12,16,16,22,32,26,20,24,40,32,40,41,48,20,8,...
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Omar E. Pol, Dec 15 2012
STATUS
approved