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A177444 Triangle by columns, (1, 1, 0, 1, 0, 0, 0,...); shifted down twice for columns >0. 2
1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Let the triangle = M. The Lim_{n->inf} M^n = A120562, the left-shifted vector

considered as a sequence.

LINKS

Table of n, a(n) for n=0..65.

FORMULA

As an infinite lower triangular matrix, (1, 1, 0, 1, 0, 0, 0,...) in every

column, prefaced with k zeros.

EXAMPLE

First few rows of the triangle =

1;

1, 0;

0, 1, 0;

1, 1, 0, 0;

0, 0, 1, 0, 0;

0, 1, 1, 0, 0, 0;

0, 0, 0, 1, 0, 0, 0;

0, 0, 1, 1, 0, 0, 0, 0;

0, 0, 0, 0, 1, 0, 0, 0, 0;

0, 0, 0, 1, 1, 0, 0, 0, 0, 0;

0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0;

0, 0, 0, 0, 1, 1, 0, 0, 0, 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, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0;

0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0;

...

CROSSREFS

Cf. A120562, A177445

Sequence in context: A004585 A156277 A319448 * A157686 A181115 A151666

Adjacent sequences:  A177441 A177442 A177443 * A177445 A177446 A177447

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, May 08 2010

STATUS

approved

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Last modified October 18 07:00 EDT 2018. Contains 316307 sequences. (Running on oeis4.)