a(n) = the largest divisor of n! such that (sum{k=1 to n} a(k)) is a divisor of n!.

A156832

a(n) = the largest divisor of n! such that (sum{k=1 to n} a(k)) is a divisor of n!.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =3a(4) =24a(5) =90a(6) =720a(7) =2520a(8) =10080a(9) =120960a(10) =604800a(11) =5913600a(12) =79833600a(13) =691891200a(14) =15567552000a(15) =65383718400

External references