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Search: id:A145973
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| 1, 0, 1, 2, 0, 1, 0, 4, 0, 1, 7, 0, 6, 0, 1, 0, 18, 0, 8, 0, 1, 29, 0, 33, 0, 10, 0, 1, 0, 86, 0, 52, 0, 12, 0, 1, 131, 0, 179, 0, 75, 0, 14, 0, 1, 0, 427, 0, 316, 0, 102, 0, 16, 0, 1, 625, 0, 972, 0, 505, 0, 133, 0, 18, 0, 1
(list; table; graph; listen)
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OFFSET
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0,4
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COMMENT
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Row sums = A145974: (1, 1, 3, 5, 14, 27, 73, 151,...).
Left border = aerated version of A007852, where A007852 = (1, 2, 7, 29, 131, 625,...).
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FORMULA
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Triangle read by rows, A053121^2, where A053121 =
1;
0, 1;
1, 0, 1;
0, 2, 0, 1;
2, 0, 3, 0, 1;
0, 5, 0, 4, 0, 1;
...
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EXAMPLE
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First few rows of the triangle =
1;
0, 1;
2, 0, 1;
0, 4, 0, 1;
7, 0, 6, 0, 1;
0, 18, 0, 8, 0, 1;
29, 0, 33, 0, 10, 0, 1;
0, 86, 0, 52, 0, 12, 0, 1;
131, 0, 179, 0, 75, 0, 14, 0, 1;
0, 427, 0, 316, 0, 102, 0, 16, 0, 1;
625, 0, 972, 0, 505, 0, 133, 0, 18, 0, 1;
...
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CROSSREFS
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A053121, Cf. A007852, A145974
Sequence in context: A131321 A111959 A110109 this_sequence A155761 A067631 A123641
Adjacent sequences: A145970 A145971 A145972 this_sequence A145974 A145975 A145976
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson & Roger L. Bagula (qntmpkt(AT)yahoo.com), Oct 25 2008
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