login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A083957 a(n) = product of all cyclic permutation of concatenation of first n numbers. In each case the digits of a number are kept together for n>9. 1
1, 252, 8864856, 40638618022744, 23098236228791472696480, 1568841035670687222903484318855680, 12397389650957442295025809189993580551236444160 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Initial terms are {n(n+1)/2}*{A000042(n)}.
LINKS
EXAMPLE
a(1) = 1, a(2) = 12*21 = 252, a(3) = 123*231*312 = 8864856.
CROSSREFS
Sequence in context: A068275 A068287 A229777 * A172656 A172760 A172831
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, May 10 2003
EXTENSIONS
More terms from David Wasserman, Dec 03 2004
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 16 02:52 EDT 2024. Contains 375959 sequences. (Running on oeis4.)