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

A278845

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

Terms

    a(0) =1a(1) =4a(2) =145a(3) =19016a(4) =6176676a(5) =4038562000

External references