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A247894
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Integer part of square root of A010807: a(n) = floor(sqrt(n^19)).
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2
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0, 1, 724, 34091, 524288, 4367320, 24685212, 106765608, 379625062, 1162261467, 3162277660, 7820427766, 17874003451, 38235066239, 77306558317, 148890490631, 274877906944, 488950340714, 841567195983, 1406563064942, 2289733608959, 3639848436450, 5662594565481
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OFFSET
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0,3
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COMMENTS
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a(n) = A000196(A010807(n)). - Reinhard Zumkeller, Sep 29 2014
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LINKS
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Karl V. Keller, Jr. and Alois P. Heinz, Table of n, a(n) for n = 0..1000 (first 201 terms from Karl V. Keller, Jr.)
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FORMULA
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a(n) = floor(sqrt(n^19)).
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MAPLE
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seq(floor(sqrt(n^19)), n=0..100); # Robert Israel, Sep 28 2014
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PROG
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(PARI) a(n) = sqrtint(n^19); \\ Michel Marcus, Sep 28 2014
(Haskell)
a247894 = a000196 . a010807 -- Reinhard Zumkeller, Sep 29 2014
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CROSSREFS
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Cf. A010807 (n^19).
Cf. A000196.
Sequence in context: A107552 A232261 A248484 * A023680 A002769 A252617
Adjacent sequences: A247891 A247892 A247893 * A247895 A247896 A247897
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KEYWORD
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nonn
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AUTHOR
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Karl V. Keller, Jr., Sep 27 2014
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STATUS
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approved
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