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A072770 Triangle A072768 computed modulo 2. +0
2
1, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1 (list; table; graph; listen)
OFFSET

1,1

COMMENT

Differs from A071674 first time at the position n=37, where A072770(37) = 0, while A071674(37) = 1.

The term a(0)=0 is not explicitly listed here as to get a better looking triangle.

PROGRAM

(Scheme) (define (A072770 n) (modulo (A072768 n) 2))

CROSSREFS

a(n) = (A072769(n) + A071674(n)) mod 2.

Adjacent sequences: A072767 A072768 A072769 this_sequence A072771 A072772 A072773

Sequence in context: A072792 A116937 A030300 this_sequence A071674 A090172 A014061

KEYWORD

nonn,tabl

AUTHOR

Antti Karttunen Jun 12 2002

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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