OFFSET
0,2
COMMENTS
Rows have lengths 1,1,2,2,3,3,4,4,...
LINKS
J. L. Jacobsen and P. Zinn-Justin, A Transfer Matrix approach to the Enumeration of Colored Links, J. Knot Theory, 10 (2001), 1233-1267.
EXAMPLE
1; 2; 8,1; 42,12; 260,114,4; 1796,1030,90; ...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
N. J. A. Sloane, Feb 09 2002
STATUS
approved