A156254 Triangle read by rows. Matrix inverse of A156241.

1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 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, 0, 0, 0, 0, 0, 0, 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, 1, 0, 0, 0, 0, 0, 0, 1

Offset

1,1

Links

Table of n, a(n) for n=1..105.

Example

Table begins:
1,
1,1,
1,0,1,
0,0,0,1,
1,0,0,0,1,
1,1,1,0,0,1,
1,0,0,0,0,0,1,
0,0,0,0,0,0,0,1,
0,0,0,0,0,0,0,0,1,
1,1,0,0,1,0,0,0,0,1,

Crossrefs

Cf. A087003.

Sequence in context: A128408 A121802 A156241 * A010056 A283437 A155898

Adjacent sequences: A156251 A156252 A156253 * A156255 A156256 A156257

Keyword

nonn,tabl

Author

Mats Granvik, Feb 07 2009

Status

approved