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A137865
Triangle read by rows, antidiagonals of an array formed by A000012 * A049310(transform).
1
1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 2, 2, 1, 1, 1, 2, 2, 1, 1, 0, 1, 1, 2, 3, 4, 3, 1, 1, 1, 2, 3, 4, 3, 1, 0, 1, 1, 2, 3, 5, 7, 7, 4, 1, 1, 1, 2, 3, 5, 7, 7, 4, 1, 0, 1, 1, 2, 3, 5, 8, 12, 14, 11, 5, 1, 1, 1, 2, 3, 5, 12, 14, 11, 5, 1, 0
OFFSET
0,13
COMMENTS
Rows of the array tend to the Fibonacci sequence.
Row sums of the triangle = A052551: (1, 1, 3, 3, 7, 7, 15, 15, 31, 31, 63, 63, ...).
FORMULA
Triangle read by rows, antidiagonals of an array formed by taking A000012 * A049310(transform); given A049310 unsigned.
EXAMPLE
First few rows of the array:
1, 0, 1, 0, 1, 0, 1, ...
1, 1, 1, 2, 1, 3, 1, ...
1, 1, 2, 2, 4, 3, 7, ...
1, 1, 2, 3, 4, 7, 7, ...
1, 1, 2, 3, 5, 7, 12, ...
1, 1, 2, 3, 5, 8, 12, ...
...
First few rows of the triangle:
1;
1, 0;
1, 1, 1;
1, 1, 1, 0;
1, 1, 2, 2, 1;
1, 1, 2, 2, 1, 0;
1, 1, 2, 3, 4, 3, 1;
1, 1, 2, 3, 4, 3, 1, 0;
1, 1, 2, 3, 5, 7, 7, 4, 1;
1, 1, 2, 3, 5, 7, 7, 4, 1, 0;
1, 1, 2, 3, 5, 8, 12, 14, 11, 5, 1;
1, 1, 2, 3, 5, 8, 12, 14, 11, 5, 1, 0;
...
CROSSREFS
Sequence in context: A333124 A274109 A083019 * A052494 A317756 A039998
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Feb 18 2008
STATUS
approved