OFFSET
0,18
COMMENTS
Row sums form {1,1,0,0,0,...(zeros continue)}.
EXAMPLE
Rows begin:
[1],
[0,1],
[0,-1,1],
[0,0,-1,1],
[0,1,-1,-1,1],
[0,-1,3,-2,-1,1],
[0,-1,-1,5,-3,-1,1],
[0,3,-5,-1,7,-4,-1,1],
[0,4,-10,4,-2,9,-5,-1,1],
[0,-17,121,-146,42,-5,11,-6,-1,1],
[0,-27,-662,1155,-591,130,-11,13,-7,-1,1],
[0,118,5952,-10015,5327,-1662,294,-21,15,-8,-1,1],
[0,267,-70266,113346,-57476,17435,-3843,565,-36,17,-9,-1,1],
[0,-917,908722,-1473694,746476,-220017,46320,-7821,979,-57,19,-10,-1,1],...
CROSSREFS
KEYWORD
sign,tabl
AUTHOR
Paul D. Hanna, Jul 13 2004
STATUS
approved