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A080234
Triangle whose rows are the differences of consecutive pairs of row elements of A080232.
0
1, 1, -2, 1, -1, -1, 1, 0, -2, 0, 1, 1, -2, -2, 1, 1, 2, -1, -4, -1, 2, 1, 3, 1, -5, -5, 1, 3, 1, 4, 4, -4, -10, -4, 4, 4, 1, 5, 8, 0, -14, -14, 0, 8, 5, 1, 6, 13, 8, -14, -28, -14, 8, 13, 6, 1, 7, 19, 21, -6, -42, -42
OFFSET
0,3
COMMENTS
Row sums are -1. Second row pairwise difference of A071919.
EXAMPLE
Rows are {1}, {1,-2}, {1,-1,-1}, {1,0,-2,0}, {1,1,-2,-2,1}, ...
CROSSREFS
Sequence in context: A239302 A256983 A330720 * A136049 A370219 A225192
KEYWORD
sign,tabl
AUTHOR
Paul Barry, Feb 09 2003
STATUS
approved