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A127720
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Floor of square root of sum of squares of n odd consecutive primes.
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5
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3, 5, 9, 14, 19, 25, 31, 39, 48, 57, 68, 80, 90, 102, 115, 129, 143, 157, 173, 187, 203, 220, 237, 256, 275, 294, 313, 331, 350, 372, 394, 418, 440, 465, 488, 513, 538, 564, 590, 616, 642, 670, 697, 724, 751, 780, 811, 843, 873
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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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MAPLE
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MATHEMATICA
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a = {}; k = 0; Do[k = k + (Prime[x])^2; AppendTo[a, Floor[Sqrt[k]]], {x, 2, 50}]; a
Module[{nn=50}, Floor[Sqrt[#]]&/@Accumulate[Prime[Range[2, nn+1]]^2]] (* Harvey P. Dale, Jul 27 2017 *)
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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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