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A056864
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Nearest integer to n^2/10.
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2
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0, 0, 0, 1, 2, 3, 4, 5, 6, 8, 10, 12, 14, 17, 20, 23, 26, 29, 32, 36, 40, 44, 48, 53, 58, 63, 68, 73, 78, 84, 90, 96, 102, 109, 116, 123, 130, 137, 144, 152, 160, 168, 176, 185, 194, 203, 212, 221, 230, 240, 250, 260, 270, 281, 292, 303, 314, 325
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,5
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LINKS
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FORMULA
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Conjecture: G.f.: -x^3*(1+x^2)*(x^4-x^2+1) / ( (1+x) *(x^4-x^3+x^2-x+1) *(x^4+x^3+x^2+x+1) *(x-1)^3 ). - R. J. Mathar, Mar 08 2016
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MAPLE
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floor(n^2/10+1/2) ;
end proc:
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MATHEMATICA
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Table[Floor[n^2/10+1/2], {n, 0, 100}] (* Harvey P. Dale, Nov 01 2020 *)
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PROG
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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