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Search: id:A128619
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| 1, 0, 1, 2, 0, 2, 0, 3, 0, 3, 5, 0, 5, 0, 5, 0, 8, 0, 8, 0, 8, 13, 0, 13, 0, 13, 0, 13, 0, 21, 0, 21, 0, 21, 0, 21, 34, 0, 34, 0, 34, 0, 34, 0, 34, 0, 55, 0, 55, 0, 55, 0, 55, 0, 55
(list; table; graph; listen)
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OFFSET
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1,4
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COMMENT
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Row sums = A128620: (1, 1, 4, 6, 15, 24, 52,...). A128618 = A128174 * A127647.
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FORMULA
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A127647 * A128174 as infinite lower triangular matrices. In odd rows, n terms of F(n), 0, F(n),...; in the n-th row. In even rows, n terms of 0, F(n), 0,...; in the n-th row.
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EXAMPLE
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First few rows of the triangle are:
1;
0, 1;
2, 0, 2;
0, 3, 0, 3;
5, 0, 5, 0, 5;
...
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CROSSREFS
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Cf. A128618, A128610, A128174, A127646, A000045.
Adjacent sequences: A128616 A128617 A128618 this_sequence A128620 A128621 A128622
Sequence in context: A117773 A025805 A029192 this_sequence A008613 A035457 A005868
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Mar 14 2007
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