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A030140
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The nonsquares squared.
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1
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4, 9, 25, 36, 49, 64, 100, 121, 144, 169, 196, 225, 289, 324, 361, 400, 441, 484, 529, 576, 676, 729, 784, 841, 900, 961, 1024, 1089, 1156, 1225, 1369, 1444, 1521, 1600, 1681, 1764, 1849, 1936, 2025, 2116, 2209, 2304, 2500, 2601, 2704, 2809, 2916, 3025
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..48.
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EXAMPLE
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a(1)=2^2, a(2)=3^2, a(3)=5^2, a(4)=6^2, a(5)=7^2, ..., a(n)=(integer which is not a perfect square)^2.
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MAPLE
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a:=proc(n) if type(sqrt(n), integer)=false then n^2 else fi end: seq(a(n), n=1..70); - Emeric Deutsch, Apr 11 2007
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CROSSREFS
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A000037(n)^2.
Sequence in context: A175085 A182120 A099998 * A153158 A111245 A062503
Adjacent sequences: A030137 A030138 A030139 * A030141 A030142 A030143
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane.
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EXTENSIONS
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Edited by N. J. A. Sloane, Jul 02 2008 at the suggestion of R. J. Mathar
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STATUS
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approved
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