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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A099127 Number of orbits of the wreath product of S_n with S_n on n X n matrices over {0,1,2,3,4,5,6,7,8}. 9
 1, 9, 1035, 762355, 2531986380, 29653914688398, 1023687680214527328, 90954904732217610881940, 18709083803797153776767847375, 8183604949527627465377060678018870, 7099997495119970047949715137555520213198 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS This is the number of possible votes of n referees judging n dancers by a mark between 0 and 8, where the referees cannot be distinguished. a(n) is the number of n element multisets of n element multisets of a 9-set. - Andrew Howroyd, Jan 17 2020 LINKS Andrew Howroyd, Table of n, a(n) for n = 0..50 FORMULA a(n) = binomial(binomial(n + 8, n) + n - 1, n). - Andrew Howroyd, Jan 17 2020 PROG (PARI) a(n)={binomial(binomial(n + 8, n) + n - 1, n)} \\ Andrew Howroyd, Jan 17 2020 CROSSREFS Column k=9 of A331436. Cf. A099121, A099122, A099123, A099124, A099125, A099126, A099128. Sequence in context: A197781 A197612 A004809 * A172944 A277829 A286396 Adjacent sequences: A099124 A099125 A099126 * A099128 A099129 A099130 KEYWORD nonn AUTHOR Sascha Kurz, Oct 11 2004 EXTENSIONS a(0)=1 prepended and a(10) and beyond from Andrew Howroyd, Jan 17 2020 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.

Last modified March 24 20:36 EDT 2023. Contains 361510 sequences. (Running on oeis4.)