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A128937 Triangle formed by reading A039598 mod 2. 2
1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Also triangle formed by reading triangles A052179, A053121, A124575, A126075, A126093 .

Also triangle formed by reading A065600 mod 2 . - Philippe Deléham, Oct 15 2007

LINKS

Table of n, a(n) for n=0..104.

FORMULA

Sum_{k, 0<=k<=n}T(n,k)=A048896(n).

Sum_{k, 0<=k<=n}T(n,k)*2^(n-k)=A101692(n) . - Philippe Deléham, Oct 09 2007

Sum_{k, 0<=k<=n}T(n,k)*2^k = A062878(n+1)/3. [From Philippe Deléham, Aug 31 2009]

EXAMPLE

Triangle begins:

1;

0, 1;

1, 0, 1;

0, 0, 0, 1;

0, 0, 1, 0, 1;

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

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

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

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

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

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

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

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

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

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

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

CROSSREFS

Sequence in context: A127253 A117944 A117945 * A102511 A129360 A129372

Adjacent sequences:  A128934 A128935 A128936 * A128938 A128939 A128940

KEYWORD

nonn,tabl

AUTHOR

Philippe Deléham, Apr 27 2007, May 02 2007

STATUS

approved

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Last modified November 26 11:07 EST 2014. Contains 250056 sequences.