OFFSET
0,4
LINKS
Alois P. Heinz, Rows n = 0..60, flattened
EXAMPLE
1;
1,1;
2,4,2;
5,16,17,6;
14,67,122,99,30; ...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
N. J. A. Sloane, Aug 16 2003
STATUS
approved