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A127831
Inverse of number triangle mod(C(floor(k/2),n-k),2).
1
1, 0, 1, 0, 0, 1, 0, 0, -1, 1, 0, 0, 1, -1, 1, 0, 0, 0, 0, 0, 1, 0, 0, -1, 1, -1, 0, 1, 0, 0, 1, -1, 1, -1, -1, 1, 0, 0, 0, 0, 0, 1, 0, -1, 1, 0, 0, 0, 0, 0, 1, 0, -1, 0, 1, 0, 0, -1, 1, -1, 1, 1, -1, 0, 0, 1
OFFSET
0,1
COMMENTS
Row sums are A085357. Inverse of A127829.
EXAMPLE
Triangle begins
1,
0, 1,
0, 0, 1,
0, 0, -1, 1,
0, 0, 1, -1, 1,
0, 0, 0, 0, 0, 1,
0, 0, -1, 1, -1, 0, 1,
0, 0, 1, -1, 1, -1, -1, 1,
0, 0, 0, 0, 0, 1, 0, -1, 1,
0, 0, 0, 0, 0, 1, 0, -1, 0, 1,
0, 0, -1, 1, -1, 1, 1, -1, 0, 0, 1
CROSSREFS
Sequence in context: A365799 A186518 A127829 * A164364 A198517 A105385
KEYWORD
sign,tabl
AUTHOR
Paul Barry, Feb 01 2007
STATUS
approved