A174820 Triangle T(n,k) read by rows. T(n,k) = A174557(n,k)-A174557(n-1,k).

1, -3, 1, -1, -2, 1, -1, -1, -2, 1, -1, 0, 0, -2, 1, -1, -1, -1, 0, -2, 1, -1, 0, 0, 0, 0, -2, 1, -1, -1, 0, -1, 0, 0, -2, 1, -1, 0, -1, 0, 0, 0, 0, -2, 1, -1, -1, 0, 0, -1, 0, 0, 0, -2, 1, -1, 0, 0, 0, 0, 0, 0, 0, 0, -2, 1, -1, -1, -1, -1, 0, -1, 0, 0, 0, 0, -2, 1, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0

Offset: 1

Author

Mats Granvik, Paul D. Hanna, Mar 30 2010

Keywords

• sign
• tabl

Examples

			Table begins:
.1
-3..1
-1.-2..1
-1.-1.-2..1
-1..0..0.-2..1
-1.-1.-1..0.-2..1
-1..0..0..0..0.-2..1
-1.-1..0.-1..0..0.-2..1
-1..0.-1..0..0..0..0.-2..1
-1.-1..0..0.-1..0..0..0.-2..1