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A060456
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a(n) = floor(exp(Pi*sqrt(n))).
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2
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1, 23, 85, 230, 535, 1124, 2197, 4071, 7228, 12391, 20631, 33506, 53252, 83047, 127358, 192400, 286751, 422150, 614551, 885479, 1263794, 1787960, 2508951, 3493969, 4831163, 6635623, 9056943, 12288743, 16580630, 22253151, 29716459
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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COMMENTS
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Some of these values are very close to integers; e.g., a(17)= 422150.9976756804516....
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LINKS
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MAPLE
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Digits := 100; for n from 0 to 40 do printf(`%d, `, floor( exp(Pi*sqrt(n)))) od:
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MATHEMATICA
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Table[Floor[Exp[Pi Sqrt[n]]], {n, 0, 40}] (* Harvey P. Dale, Aug 26 2020 *)
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PROG
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(PARI) { default(realprecision, 100); for (n=0, 1000, write("b060456.txt", n, " ", floor(exp(Pi*sqrt(n)))); ) } \\ Harry J. Smith, Jul 05 2009
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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