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A121871
Triangle read by rows: see DeTemple et al. reference for definition.
0
1, 2, -2, 11, -12, 2, 52, -70, 20, -2, 269, -392, 150, -28, 2, 1414, -2186, 1000, -262, 36, -2
OFFSET
1,2
LINKS
D. DeTemple and M. Hudelson, Square-banded polygons and affine regularity, Amer. Math. Monthly, 108 (No. 2, 2001), 100-114.
EXAMPLE
Triangle begins:
1
2 -2
11 -12 2
52 -70 20 -2
269 -392 150 -28 2
CROSSREFS
Leading diagonal is A026933.
Sequence in context: A309477 A126806 A279197 * A194638 A327870 A235606
KEYWORD
sign,tabl,more
AUTHOR
N. J. A. Sloane, Sep 05 2006
STATUS
approved