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A065732
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Largest square <= 2^n.
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2
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1, 4, 4, 16, 25, 64, 121, 256, 484, 1024, 2025, 4096, 8100, 16384, 32761, 65536, 131044, 262144, 524176, 1048576, 2096704, 4194304, 8386816, 16777216, 33547264, 67108864, 134212225, 268435456, 536848900, 1073741824, 2147395600
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refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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Harry J. Smith, Table of n, a(n) for n = 1..200
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FORMULA
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a(n) = A048760(A000079(n)) = A048760(2^n).
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MATHEMATICA
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Table[Floor[Sqrt[2^w]//N]^2, {w, 1, 50}]
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PROG
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(PARI) { for (n=1, 200, a=sqrtint(2^n)^2; write("b065732.txt", n, " ", a) ) } \\ Harry J. Smith, Oct 28 2009
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CROSSREFS
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Cf. A048760, A000079, A065730-A065741.
Sequence in context: A082649 A156232 A053441 * A092959 A330054 A183433
Adjacent sequences: A065729 A065730 A065731 * A065733 A065734 A065735
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KEYWORD
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easy,nonn
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AUTHOR
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Labos Elemer, Nov 15 2001
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STATUS
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approved
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