A174854 Triangle T(n,k) read by rows. Matrix inverse of A174852.

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

Offset

1,1

Comments

First column equals A008836. The rest of the table equals A054525.

Links

Table of n, a(n) for n=1..97.

Example

Table begins:
.1
-1..1
-1..0..1
.1.-1..0..1
-1..0..0..0..1
.1.-1.-1..0..0..1
-1..0..0..0..0..0..1
-1..0..0.-1..0..0..0..1
.1..0.-1..0..0..0..0..0..1
.1.-1..0..0.-1..0..0..0..0..1

Crossrefs

Cf. A008836, A174852.

Sequence in context: A110471 A360116 A255339 * A103994 A051731 A304569

Adjacent sequences: A174851 A174852 A174853 * A174855 A174856 A174857

Keyword

sign,tabl

Author

Mats Granvik, Mar 31 2010

Status

approved