OFFSET
0,3
LINKS
I Dolinka, J East, RD Gray, Motzkin monoids and partial Brauer monoids, arXiv preprint arXiv:1512.02279, 2015. See Table 2.
EXAMPLE
Triangle begins:
1,
1,2,
4,8,9,
16,41,50,51,
81,225,306,322,323,
441,1341,1966,2162,2187,2188,
2601,8377,13138,15074,15474,15510,15511,
16129,54545,90266,107955,112855,113584,113633,113634,
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
N. J. A. Sloane, Sep 17 2016
STATUS
approved