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A130047 Left half of Pascal's triangle (A034868) modulo 2 . +0
2
1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0 (list; graph; listen)
OFFSET

0,1

COMMENT

Row sums yield : 1, 1, 1, 2, 1, 2, 2, 4, 1, 2, 2, 4, 2, 4, 4, 8, ...(see A048896) .

EXAMPLE

Sequence begins:

1;

1;

1, 0;

1, 1;

1, 0, 0;

1, 1, 0;

1, 0, 1, 0;

1, 1, 1, 1;

1, 0, 0, 0, 0;

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

CROSSREFS

Cf. A133179.

Adjacent sequences: A130044 A130045 A130046 this_sequence A130048 A130049 A130050

Sequence in context: A131309 A106510 A075437 this_sequence A008683 A008966 A080323

KEYWORD

nonn,tabf

AUTHOR

Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Oct 10 2007

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Last modified October 6 12:54 EDT 2008. Contains 144667 sequences.


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