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!)
A278841 a(n) = permanent M_n where M_n is the n X n matrix m(i,j) = A000009(i+j). 2

%I #3 Nov 29 2016 07:10:13

%S 1,1,6,65,1737,91359,8755730,1465091787,420070484342,194857695312573,

%T 142349343815684947,161388097061567486595,276760372468557882285737,

%U 707850058213409589011565269,2654427644322345709705054800083

%N a(n) = permanent M_n where M_n is the n X n matrix m(i,j) = A000009(i+j).

%t Flatten[{1, Table[Permanent[Table[PartitionsQ[i+j], {i, 1, n}, {j, 1, n}]], {n, 1, 14}]}]

%Y Cf. A000009, A005249, A204249, A278839, A278840.

%K nonn

%O 0,3

%A _Vaclav Kotesovec_, Nov 29 2016

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 14 01:41 EDT 2024. Contains 375910 sequences. (Running on oeis4.)