OFFSET
1,7
LINKS
Luke Nelson, A recursion on maximal chains in the Tamari lattices, arXiv:1709.02987 [math.CO], 2017.
Luke Nelson, A recursion on maximal chains in the Tamari lattices, Discrete Mathematics 340.4 (2017): 661-677.
EXAMPLE
Triangle begins:
1,
0,
0,1,
0,0,2,2,
0,0,10,8,18,13,12,
0,0,0,112,220,218,324,
0,0,0,280,1464,5322,8052,
0,0,0,0,9240,42592,142944,
...
The transposed triangle, as given by Nelson, begins:
1,
0,0,1,
0,0,0,2,10,
0,0,0,2,8,112,280,
0,0,0,0,18,220,1464,9240,15400,
0,0,0,0,13,218,5322,42592,281424,1121120,1401400,
0,0,0,0,12,324,8052,142944,1714700,12180168,65985920,190590400,190590400,
...
CROSSREFS
KEYWORD
nonn,tabf,more
AUTHOR
N. J. A. Sloane, Feb 25 2017
STATUS
approved