a(1)=1; for n>1 a(n) is the smallest highly composite number (A002182) that is a multiple of a(n-1) where the ratios are strictly increasing.

A350113

a(1)=1; for n>1 a(n) is the smallest highly composite number (A002182) that is a multiple of a(n-1) where the ratios are strictly increasing.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =120a(5) =720a(6) =5040a(7) =45360a(8) =498960a(9) =6486480a(10) =110270160a(11) =2095133040a(12) =41902660800a(13) =963761198400

External references