Square roots of products of members of groups in A076031.

A076030

Square roots of products of members of groups in A076031.

Terms

    a(0) =1a(1) =4a(2) =12a(3) =210a(4) =4290a(5) =42840a(6) =4037880a(7) =73628100a(8) =17226649440a(9) =422630873280

External references