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A156254 Triangle read by rows. Matrix inverse of A156241. 1
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 (list; table; graph; refs; listen; history; text; internal format)
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

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Last modified December 1 06:09 EST 2020. Contains 338833 sequences. (Running on oeis4.)