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Search: id:A056847
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| A056847 |
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Nearest integer to n - sqrt(n). |
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+0
2
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| 0, 0, 1, 1, 2, 3, 4, 4, 5, 6, 7, 8, 9, 9, 10, 11, 12, 13, 14, 15, 16, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59
(list; graph; listen)
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OFFSET
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0,5
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REFERENCES
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B. Alspach, K. Heinrich and G. Liu, Orthogonal factorizations of graphs, pp. 13-40 of Contemporary Design Theory, ed. J. H. Dinizt and D. R. SAtinson, Wiley, 1992 (see Theorem 2.7).
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MATHEMATICA
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Clear[lst, n, f] f[n_]:=Round[Sqrt[n]]; lst={}; Do[AppendTo[lst, n-f[n]], {n, 0, 6!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Oct 13 2009]
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CROSSREFS
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Cf. A028391.
Sequence in context: A120507 A090223 A109401 this_sequence A105598 A083058 A127035
Adjacent sequences: A056844 A056845 A056846 this_sequence A056848 A056849 A056850
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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), Dec 07 2000
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