OFFSET
0,1
COMMENTS
Row sums are A057979(n+3).
EXAMPLE
Triangle begins
1,
0, 1,
0, 1, 1,
0, 0, 0, 1,
0, 0, 1, 1, 1,
0, 0, 0, 0, 0, 1,
0, 0, 0, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 1,
0, 0, 0, 0, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Paul Barry, Feb 02 2006
STATUS
approved