|
Search: id:A062566
|
|
|
| A062566 |
|
Square-free parts of highly composite numbers (definition 1) (A002182). |
|
+0
1
|
|
| 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; listen)
|
|
|
OFFSET
|
1,2
|
|
|
LINKS
|
Klaus Brockhaus, Table of n, a(n) for n=1..1000 [From Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Nov 29 2008]
|
|
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.
|
|
CROSSREFS
|
A002182.
Adjacent sequences: A062563 A062564 A062565 this_sequence A062567 A062568 A062569
Sequence in context: A160047 A097288 A100014 this_sequence A126265 A124441 A026191
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
N. Fernandez (primeness(AT)borve.org), Jul 03 2001
|
|
EXTENSIONS
|
More terms from Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), Nov 29 2008
|
|
|
Search completed in 0.002 seconds
|
