A121871 Triangle read by rows: see DeTemple et al. reference for definition.

1, 2, -2, 11, -12, 2, 52, -70, 20, -2, 269, -392, 150, -28, 2, 1414, -2186, 1000, -262, 36, -2

Offset: 1

Author

N. J. A. Sloane, Sep 05 2006

Keywords

• sign
• tabl
• more

Examples

			Triangle begins:
1
2 -2
11 -12 2
52 -70 20 -2
269 -392 150 -28 2
		

Links

• D. DeTemple and M. Hudelson, Square-banded polygons and affine regularity, Amer. Math. Monthly, 108 (No. 2, 2001), 100-114.

Crossrefs

Leading diagonal is A026933.