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Search: id:A048474
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| 1, 4, 13, 37, 97, 241, 577, 1345, 3073, 6913, 15361, 33793, 73729, 159745, 344065, 737281, 1572865, 3342337, 7077889, 14942209, 31457281, 66060289, 138412033, 289406977, 603979777, 1258291201, 2617245697, 5435817985
(list; graph; listen)
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OFFSET
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0,2
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COMMENT
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Binomial transform of A008486. - Paul Barry (pbarry(AT)wit.ie), Jul 09 2003
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FORMULA
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Row sums of triangle A134232 - Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 14 2007
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CROSSREFS
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a(n)=T(2,n), array T given by A048472.
n-th difference of a(n), a(n-1), ..., a(0) is (3, 6, 9, ...).
Cf. A134232.
Sequence in context: A067635 A003727 A103082 this_sequence A054761 A080145 A097551
Adjacent sequences: A048471 A048472 A048473 this_sequence A048475 A048476 A048477
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KEYWORD
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nonn
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu)
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EXTENSIONS
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Better description from Paul Barry (pbarry(AT)wit.ie), Jul 09 2003
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