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A062566
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Squarefree parts of highly composite numbers (definition 1) (A002182).
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1
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1, 2, 1, 6, 3, 6, 1, 3, 15, 30, 5, 15, 10, 5, 210, 35, 105, 70, 35, 210, 70, 105, 35, 7, 770, 35, 14, 385, 2310, 770, 1155, 385, 77, 2310, 385, 154, 1155, 5005, 30030, 10010, 15015, 5005, 1001, 30030, 5005, 2002, 15015, 3003, 1001, 30030, 6006, 1001, 255255
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| Klaus Brockhaus, Table of n, a(n) for n=1..1000 [From Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Nov 29 2008]
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EXAMPLE
| Highly composite numbers are those for which d(n), the number of divisors of n, is a record. The tenth such number is 120, expressible as (2^3)*3*5, in which the largest square is 2^2 = 4. 120/4=30, so a(10)=30.
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CROSSREFS
| A002182.
Sequence in context: A097288 A171178 A100014 * A126265 A124441 A026191
Adjacent sequences: A062563 A062564 A062565 * A062567 A062568 A062569
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KEYWORD
| nonn
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AUTHOR
| N. Fernandez (primeness(AT)borve.org), Jul 03 2001
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EXTENSIONS
| More terms from Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Nov 29 2008
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