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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
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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REFERENCES
| X. Zhan, Formulae for sums of consecutive square roots, The Math. Intelligencer, 27, No. 4, 2005, 4-5.
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FORMULA
| a(n)=floor(sqrt(16n+20).
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MAPLE
| seq(floor(sqrt(16*n+20)), n=1..90);
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CROSSREFS
| Cf. A000267, A114458, A114460.
Sequence in context: A153604 A168679 A102304 * A168096 A030546 A028253
Adjacent sequences: A114456 A114457 A114458 * A114460 A114461 A114462
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KEYWORD
| nonn
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AUTHOR
| Emeric Deutsch (deutsch(AT)duke.poly.edu), Nov 28 2005
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