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A155029 Complement to A051731 with the identity matrix A023531 included. 1
1, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..91.

EXAMPLE

Table begins:

1,

0,1,

0,1,1,

0,0,1,1,

0,1,1,1,1,

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

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

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

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

MAPLE

(Excel) =if(row()>=column(); if(row()=column(); 1; if(mod(row(); column()); 0; 1)); 0)

CROSSREFS

Sequence in context: A117446 A101688 A155031 * A134540 A128430 A176330

Adjacent sequences:  A155026 A155027 A155028 * A155030 A155031 A155032

KEYWORD

nonn,tabl

AUTHOR

Mats Granvik, Jan 19 2009

STATUS

approved

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Last modified November 18 14:15 EST 2017. Contains 294893 sequences.