OFFSET
0,5
COMMENTS
Inverse is A178125.
EXAMPLE
Triangle begins
1,
-1, 1,
1, -3, 1,
0, 7, -6, 1,
-5, -13, 26, -10, 1,
25, 11, -101, 69, -15, 1,
-105, 76, 383, -425, 150, -21, 1,
460, -758, -1494, 2599, -1310, 286, -28, 1,
-2315, 5536, 6215, -16761, 11129, -3325, 497, -36, 1
Production matrix of inverse is
1, 1,
1, 2, 1,
0, 3, 3, 1,
0, 0, 5, 4, 1,
0, 0, 0, 7, 5, 1,
0, 0, 0, 0, 9, 6, 1,
0, 0, 0, 0, 0, 11, 7, 1,
0, 0, 0, 0, 0, 0, 13, 8, 1,
0, 0, 0, 0, 0, 0, 0, 15, 9, 1
CROSSREFS
KEYWORD
sign,tabl
AUTHOR
Paul Barry, May 20 2010
STATUS
approved