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Search: id:A062941
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| A062941 |
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Number of n-digit cubes (0 is included as a single digit number). |
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+0
3
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| 3, 2, 5, 12, 25, 53, 116, 249, 535, 1155, 2487, 5358, 11545, 24871, 53584, 115444, 248715, 535841, 1154435, 2487154, 5358411, 11544347, 24871542, 53584111, 115443470, 248715414, 535841116, 1154434691, 2487154143, 5358411166
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Sum of first 3n terms = 10^n.
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LINKS
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Harry J. Smith, Table of n, a(n) for n=1,...,300
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EXAMPLE
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a(3) = 5 as there are 5 three-digit cubes: 125, 216, 343, 512 and 729.
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PROGRAM
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(PARI) { default(realprecision, 300); p=1; b=-1; for (n=1, 300, p*=10; c=b; b=floor((p - 1)^(1/3)); write("b062941.txt", n, " ", b - c) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 14 2009]
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CROSSREFS
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A062940.
Sequence in context: A093924 A130597 A075146 this_sequence A057674 A092935 A137455
Adjacent sequences: A062938 A062939 A062940 this_sequence A062942 A062943 A062944
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KEYWORD
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base,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 07 2001
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EXTENSIONS
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Corrected and extended by Dean Hickerson (dean.hickerson(AT)yahoo.com), Jul 10, 2001
OFFSET changed from 0,1 to 1,1 by Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 14 2009
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