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Search: id:A143316
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| 1, 2, 1, 4, 0, 1, 4, 2, 0, 1, 8, 0, 0, 0, 1, 4, 4, 2, 2, 0, 0, 1, 12, 0, 0, 0, 0, 0, 1, 8, 4, 0, 2, 0, 0, 0, 1, 12, 0, 4, 0, 0, 0, 0, 0, 1, 8, 8, 0, 0, 2, 0, 0, 0, 0, 1, 20, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 8, 4, 4, 4, 0, 2, 0, 0, 0, 0, 0, 1, 24, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Row sums = 2n-1
Left border = A140434: (1, 2, 4, 4, 8, 4, 12, 8,...).
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FORMULA
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Triangle read by rows, A054525 * A143315, 1<=k<=n
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EXAMPLE
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First few rows of the triangle =
1;
2, 1;
4, 0, 1;
4, 2, 0, 1;
8, 0, 0, 0, 1;
4, 4, 2, 0, 0, 1;
12, 0, 0, 0, 0, 0, 1;
8, 4, 0, 2, 0, 0, 0, 1;
...
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CROSSREFS
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Cf. A143315, A140434, A054525.
Sequence in context: A096098 A096097 A016585 this_sequence A127192 A122141 A091604
Adjacent sequences: A143313 A143314 A143315 this_sequence A143317 A143318 A143319
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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), Aug 06 2008
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