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1, 1, 2, 2, 3, 3, 4, 4, 10, 4, 9, 9, 13, 25, 5, 21, 21, 21, 51, 51, 6, 51, 51, 51, 66, 166, 91, 7, 127, 127, 127, 127, 267, 442, 148, 8, 323, 232, 323, 323, 379, 1009, 1009, 225, 9, 835, 835, 835, 835, 835, 1465, 3229, 2053, 325, 10
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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COMMENTS
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Row sums = A025566 starting (1, 3, 8, 22, 61, 483,...). Left column = A001006: (1, 1, 2, 4, 9, 21, 51,...).
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LINKS
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Table of n, a(n) for n=1..55.
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FORMULA
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Inverse binomial transform of A136536
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EXAMPLE
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First few rows of the triangle are:
1;
1, 2;
2, 3, 3;
4, 4, 10, 4;
9, 9, 13, 25, 5;
21, 21, 21, 51, 51, 6;
51, 51, 51, 66, 166, 91, 7;
...
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CROSSREFS
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Cf. A136536, A025566, A001006.
Sequence in context: A035396 A005138 A035679 * A153928 A119446 A076918
Adjacent sequences: A136534 A136535 A136536 * A136538 A136539 A136540
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson, Jan 04 2008
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STATUS
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approved
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