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Search: id:A059293
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| A059293 |
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Round(n*(5*n-14)/12)+1. |
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+0
1
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| 1, 0, 0, 1, 3, 6, 9, 13, 18, 24, 31, 39, 47, 56, 66, 77, 89, 102, 115, 129, 144, 160, 177, 195, 213, 232, 252, 273, 295, 318, 341, 365, 390, 416, 443, 471, 499, 528, 558, 589, 621, 654, 687, 721, 756, 792, 829, 867, 905, 944, 984, 1025, 1067
(list; graph; listen)
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OFFSET
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0,5
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REFERENCES
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L. Comtet, Advanced Combinatorics, Reidel, 1974, p. 122, see #19 (2), I(n).
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,1000
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PROGRAM
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(PARI) { default(realprecision, 100); for (n = 0, 1000, write("b059293.txt", n, " ", round(n*(5*n - 14)/12) + 1); ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jun 25 2009]
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CROSSREFS
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Sequence in context: A132352 A033436 A002578 this_sequence A129728 A117469 A073359
Adjacent sequences: A059290 A059291 A059292 this_sequence A059294 A059295 A059296
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Jan 25 2001
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