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A153490 Anti-diagonal of Sierpinski carpet binary square matrix as a triangular sequence; (uses MathWorld definition program). +0
1
1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1 (list; table; graph; listen)
OFFSET

1,1

COMMENT

Row sums are:

{1, 2, 2, 4, 5, 4, 6, 6, 4, 8, 10, 8,...}.

REFERENCES

Weisstein, Eric W. "Sierpinski Carpet." http://mathworld.wolfram.com/SierpinskiCarpet.html

EXAMPLE

{1},

{1, 1},

{1, 0, 1},

{1, 1, 1, 1},

{1, 1, 1, 1, 1},

{1, 0, 1, 1, 0, 1},

{1, 1, 1, 0, 1, 1, 1},

{1, 1, 1, 0, 0, 1, 1, 1},

{1, 0, 1, 0, 0, 0, 1, 0, 1},

{1, 1, 1, 1, 0, 0, 1, 1, 1, 1},

{1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1},

{1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1}

MATHEMATICA

<< MathWorld`Fractal`; fractal = SierpinskiCarpet;

a = fractal[4]; Table[Table[a[[m]][[n - m + 1]], {m, 1, n}], {n, 1, 12}];

Flatten[%]

CROSSREFS

Sequence in context: A089939 A059095 A105597 this_sequence A014194 A014379 A014164

Adjacent sequences: A153487 A153488 A153489 this_sequence A153491 A153492 A153493

KEYWORD

nonn,uned,tabl

AUTHOR

Roger L. Bagula (rlbagulatftn(AT)yahoo.com), Dec 27 2008

page 1

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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