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A130197
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Binomial transform of A130196.
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2
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1, 2, 1, 5, 3, 1, 12, 8, 4, 1, 27, 20, 12, 5, 1, 58, 47, 32, 17, 6, 1, 121, 105, 79, 49, 23, 7, 1, 248, 226, 184, 128, 72, 30, 8, 1, 503, 474, 410, 312, 200, 102, 38, 9, 1, 1014, 977, 884, 722, 512, 302, 140, 47, 10, 1, 2037, 1991, 1861, 1606, 1234, 814, 442, 187, 57, 11, 1
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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Row sums = A002064, the Cullen numbers: (1, 3, 9, 25, 65, 161, 385, ...).
Left border = A000325, (2^n - n) starting (1, 2, 5, 12, 27, 58, ...).
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LINKS
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FORMULA
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EXAMPLE
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First few rows of the triangle:
1;
2, 1;
5, 3, 1;
12, 8, 4, 1;
27, 20, 12, 5, 1;
58, 47, 32, 17, 6, 1;
121, 105, 79, 49, 23, 7, 1;
...
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CROSSREFS
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KEYWORD
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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