OFFSET
0,13
COMMENTS
Mirror image of triangle in A129267.
FORMULA
EXAMPLE
Triangle begins :
1
1, 1
1, 1, 0
1, 1, -1, -1
1, 1, -2, -3, -1
1, 1, -3, -5, -2, 0
1, 1, -4, -7, -2, 2, 1
1, 1, -5, -9, -1, 7, 5, 1
CROSSREFS
KEYWORD
sign,tabl
AUTHOR
Philippe Deléham, Dec 21 2011
STATUS
approved