OFFSET
2,1
COMMENTS
Row sums give A000108, n >= 2.
LINKS
FindStat - Combinatorial Statistic Finder, The number of alternating sign matrices for a given Dyck path.
EXAMPLE
Triangle begins:
2,
3,2,
5,4,0,0,3,0,2,
8,10,0,0,6,0,4,0,0,0,0,0,0,5,0,0,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,0,2,
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Christian Stump, Oct 19 2015
STATUS
approved