Number of set partitions of [n^2] such that within each block the numbers of elements from all residue classes modulo n are equal for n>0, a(0)=1.

A275044

Number of set partitions of [n^2] such that within each block the numbers of elements from all residue classes modulo n are equal for n>0, a(0)=1.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =64a(4) =25097a(5) =350813126

External references