login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A246125 Number of inequivalent n X n matrices with entries from [9], where equivalence means permutations of rows or columns or the symbol set. 1

%I

%S 1,1,9,777,18093088,147696354159600,120281515483611806096331,

%T 6213452807971612556736028733196419,

%U 19985669779698663662722527807833218991804567911,4114852471732264714685900791520508800628430894815984377778000

%N Number of inequivalent n X n matrices with entries from [9], where equivalence means permutations of rows or columns or the symbol set.

%Y Column k=9 of A242095.

%K nonn

%O 0,3

%A _Alois P. Heinz_, Aug 15 2014

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 21 15:18 EDT 2021. Contains 348155 sequences. (Running on oeis4.)