OFFSET
0,6
LINKS
Eric Weisstein's World of Mathematics, Matching Number
Wikipedia, Matching (graph theory)
FORMULA
T(2*n, n) = A218463(n).
EXAMPLE
Triangle begins:
1;
1;
0, 1;
0, 2;
0, 1, 5;
0, 1, 20;
0, 1, 16, 95;
0, 1, 22, 830;
0, 1, 29, 790, 10297;
0, 1, 37, 1479, 259563;
0, 1, 46, 2625, 166988, 11546911;
...
CROSSREFS
KEYWORD
nonn,tabf,more
AUTHOR
Andrew Howroyd, Sep 05 2019
STATUS
approved