A145379 - OEIS

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A145379

Square array read by antidiagonals upwards.

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

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OFFSET

1,1

COMMENTS

This array is used in the proof of the Moebius function as a zero corner determinant of the Redheffer matrix. This table is the transpose of A051731 where the first row has been deleted.

LINKS

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

EXAMPLE

Table begins:

1,1,1,1,1,1,1,...

1,0,1,0,1,0,1,...

0,1,0,0,1,0,0,...

0,0,1,0,0,0,1,...

0,0,0,1,0,0,0,...

0,0,0,0,1,0,0,...

0,0,0,0,0,1,0,...

...