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A134839 Triangle, n-th row = first n terms in n-th row of an array formed by A051731 * A126988(transform). 1
1, 1, 3, 1, 2, 4, 1, 3, 3, 7, 1, 2, 3, 4, 6, 1, 3, 4, 6, 5, 12, 1, 2, 3, 4, 5, 6, 8, 1, 3, 3, 7, 5, 9, 7, 15, 1, 2, 4, 4, 5, 8, 7, 8, 13, 1, 3, 3, 6, 6, 9, 7, 12, 9, 18 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Right border = sigma(n), A000203: (1, 3, 4, 7, 6, 12, ...).
Row sums = A007437: (1, 4, 7, 14, 16, 31, 29, 50, ...).
LINKS
FORMULA
Given the array formed by A051731 * A126988(transform), the triangle by rows = first n terms of n-th row of the array.
EXAMPLE
First few rows of the array:
1, 2, 3, 4, 5, 6, 7, ...
1, 3, 3, 6, 5, 9, 7, ...
1, 2, 4, 4, 5, 8, 7, ...
1, 3, 3, 7, 5, 9, 7, ...
1, 2, 3, 4, 6, 6, 7, ...
1, 3, 4, 6, 5, 12, 7, ...
...
First few rows of the triangle:
1;
1, 3;
1, 2, 4;
1, 3, 3, 7;
1, 2, 3, 4, 6;
1, 3, 4, 6, 5, 12;
1, 2, 3, 4, 5, 6, 8;
...
CROSSREFS
Sequence in context: A080890 A251621 A016468 * A077581 A130419 A083110
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Nov 12 2007
STATUS
approved

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Last modified May 28 01:34 EDT 2024. Contains 372900 sequences. (Running on oeis4.)