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1, 2, 1, 2, 5, 1, 2, 5, 8, 1, 2, 9, 9, 11, 1, 2, 9, 24, 14, 14, 1, 2, 13, 25, 50, 20, 17, 1, 2, 13, 48, 55, 90, 27, 20, 1, 2, 17, 49, 133, 105, 147, 35, 23, 1, 2, 17, 80, 140, 308, 182, 224, 44, 26, 1
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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COMMENTS
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Row sums = A077552: (1, 3, 8, 16, 32, 64, 128,...).
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LINKS
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Table of n, a(n) for n=0..54.
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FORMULA
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Inverse binomial transform of triangle A132307
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
2, 5, 1;
2, 5, 8, 1;
2, 9, 9, 11, 1;
2, 9, 24, 14, 14, 1;
2, 13, 25, 50, 20, 17, 1;
2, 13, 48, 55, 90, 27, 20, 1;
...
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CROSSREFS
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Cf. A132307, A077552.
Sequence in context: A175011 A211700 A171840 * A144224 A122881 A210217
Adjacent sequences: A132306 A132307 A132308 * A132310 A132311 A132312
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson, Aug 18 2007
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STATUS
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approved
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