A072770 Triangle A072768 computed modulo 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

Offset

1,1

Comments

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.

Links

Table of n, a(n) for n=1..105.

Prog

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

Crossrefs

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

Sequence in context: A267927 A030300 A168394 * A090172 A284369 A194661

Adjacent sequences: A072767 A072768 A072769 * A072771 A072772 A072773

Keyword

nonn,tabl

Author

Antti Karttunen, Jun 12 2002

Status

approved