A115236 Matrix inverse of triangle A003983.

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

Offset

0,5

Links

Table of n, a(n) for n=0..93.

Example

1; -1,1; 1,-2,1; -1,2,-2,1; 0,0,1,-2,1; ...

Crossrefs

Sequence in context: A171531 A171532 A171533 * A307777 A365661 A284593

Adjacent sequences: A115233 A115234 A115235 * A115237 A115238 A115239

Keyword

sign,tabl

Author

Christian G. Bower, Jan 17 2006

Status

approved