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1, 1, 3, 3, 5, 9, 9, 13, 19, 29, 29, 39, 53, 73, 103, 103, 133, 173, 227, 301, 405, 405, 509, 643, 817, 1045, 1347, 1753, 1753, 2159, 2669, 3313, 4131, 5177, 6525, 8279, 8279, 100033, 12193, 14863, 18177, 22309, 27487, 34013, 42293, 42293, 50573, 60607
(list;
table;
graph;
refs;
listen;
history;
text;
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OFFSET
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0,3
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COMMENTS
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Right border = A060719: (1, 3, 9, 29, 103,...). Row sums = A136792.
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LINKS
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Table of n, a(n) for n=0..47.
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FORMULA
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(2 * A011971) - A000012, where A011971 = Aitken's triangle. Given Aitken's triangle, add 1 immediately after every addition operation. Rightmost term in (n-1)-th row becomes leftmost term in n-th row.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 3;
3, 5, 9;
9, 13, 19, 29;
29, 39, 53, 73, 103;
103, 133, 173, 227, 301, 405;
...
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CROSSREFS
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Cf. A011971, A136792, A060719.
Sequence in context: A141584 A287195 A179437 * A213933 A091916 A102437
Adjacent sequences: A136788 A136789 A136790 * A136792 A136793 A136794
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson, Jan 21 2008
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STATUS
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approved
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