A279008 Triangle read by rows: 2-analog of triangle A112468.

1, 1, 1, 2, 0, 1, 2, 2, -1, 1, 4, 0, 3, -2, 1, 4, 4, -3, 5, -3, 1, 8, 0, 7, -8, 8, -4, 1, 8, 8, -7, 15, -16, 12, -5, 1, 16, 0, 15, -22, 31, -28, 17, -6, 1, 16, 16, -15, 37, -53, 59, -45, 23, -7, 1, 32, 0, 31, -52, 90, -112, 104, -68, 30, -8, 1

Offset: 0

Author

N. J. A. Sloane, Dec 07 2016

Keywords

• sign
• tabl

Examples

			Triangle begins:
1,
1,1,
2,0,1,
2,2,-1,1,
4,0,3,-2,1,
4,4,-3,5,-3,1,
8,0,7,-8,8,-4,1,
8,8,-7,15,-16,12,-5,1,
16,0,15,-22,31,-28,17,-6,1,
16,16,-15,37,-53,59,-45,23,-7,1,
32,0,31,-52,90,-112,104,-68,30,-8,1,
...
		

Links

• Kyu-Hwan Lee, Se-jin Oh, Catalan triangle numbers and binomial coefficients, arXiv:1601.06685 [math.CO], 2016.

Crossrefs

Cf. A112468.