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A114459
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Integer part of sqrt(n)+sqrt(n+1)+sqrt(n+2)+sqrt(n+3).
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2
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6, 7, 8, 9, 10, 10, 11, 12, 12, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 18, 19, 19, 20, 20, 20, 21, 21, 22, 22, 22, 23, 23, 23, 24, 24, 24, 25, 25, 25, 26, 26, 26, 26, 27, 27, 27, 28, 28, 28, 28, 29, 29, 29, 30, 30, 30, 30, 31, 31, 31, 31, 32, 32, 32, 32, 33, 33, 33, 33, 34
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OFFSET
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1,1
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LINKS
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FORMULA
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a(n) = floor(sqrt(16n+20)).
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MAPLE
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seq(floor(sqrt(16*n+20)), n=1..90);
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MATHEMATICA
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PROG
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(PARI) vector(80, n, sqrtint(16*n+20)) \\ Michel Marcus, Jun 27 2015
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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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