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A113045
Number triangle binomial(n,floor((n-k)/2)) mod 3.
1
1, 1, 1, 2, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 0, 0, 0, 0, 1, 1, 2, 2, 0, 0, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 1, 1, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1
OFFSET
0,4
COMMENTS
Row sums appear to be A051638. First row appears to be A039971. Diagonal sums are A113046.
EXAMPLE
Rows begin
1;
1,1;
2,1,1;
0,0,1,1;
0,1,1,1,1;
1,1,2,2,1,1;
2,0,0,0,0,1,1;
CROSSREFS
Sequence in context: A056979 A087812 A288384 * A309365 A204179 A204244
KEYWORD
easy,nonn,tabl
AUTHOR
Paul Barry, Oct 11 2005
STATUS
approved