OFFSET
0,3
COMMENTS
EXAMPLE
Starting a new row each time we are required to use a larger Ferrer board the triangle begins:
1
..1
.....2...1
.........2...3...3...1
.............2...2...6...7...6...4...1
.................2...2...4...8..12..15..17..14..10...5...1
.....................2...2...4
.........................2...2
.............................2
CROSSREFS
KEYWORD
more,nonn,tabf
AUTHOR
Alford Arnold, Jan 17 2008
STATUS
approved