A154926 Signed version of Pascal's triangle. Diagonal positive, rest negative.
1, -1, 1, -1, -2, 1, -1, -3, -3, 1, -1, -4, -6, -4, 1, -1, -5, -10, -10, -5, 1, -1, -6, -15, -20, -15, -6, 1, -1, -7, -21, -35, -35, -21, -7, 1, -1, -8, -28, -56, -70, -56, -28, -8, 1
Offset: 1
Examples
From _Mats Granvik_, Jul 24 2009: (Start) Table begins: .1 -1....1 -1...-2....1 -1...-3...-3....1 -1...-4...-6...-4....1 -1...-5..-10..-10...-5....1 -1...-6..-15..-20..-15...-6....1 -1...-7..-21..-35..-35..-21...-7....1 -1...-8..-28..-56..-70..-56..-28...-8....1 -1...-9..-36..-84.-126.-126..-84..-36...-9....1 -1..-10..-45.-120.-210.-252.-210.-120..-45..-10....1 -1..-11..-55.-165.-330.-462.-462.-330.-165..-55..-11....1 (End)
Comments