Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A080397
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A080397 Largest squarefree number dividing central binomial coefficient A000984(n). +0
4
1, 2, 6, 10, 70, 42, 462, 858, 4290, 24310, 92378, 176358, 1352078, 520030, 222870, 6463230, 200360130, 129644790, 907513530, 1767263190, 22974421470, 134564468610, 526024740930, 22870640910, 1074920122770, 1504888171878 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n)=A007947[A000984(n)]

CROSSREFS

Cf. A007947, A000984, A001405, A048633.

Sequence in context: A115113 A163788 A093880 this_sequence A048782 A083458 A124621

Adjacent sequences: A080394 A080395 A080396 this_sequence A080398 A080399 A080400

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Mar 19 2003

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


AT&T Labs Research