Let b(m,k) be the k-th binary digit (starting at k=1, reading right to left) in the base-2 representation of m. (So: n = Sum_{k>=0} b(k+1)*2^k.) A positive integer m is included in this sequence if and only if m = Product_{k>=1} k^b(m,k).
A161324
Let b(m,k) be the k-th binary digit (starting at k=1, reading right to left) in the base-2 representation of m. (So: n = Sum_{k>=0} b(k+1)*2^k.) A positive integer m is included in this sequence if and only if m = Product_{k>=1} k^b(m,k).
Terms
- a(0) =1a(1) =2a(2) =6a(3) =12a(4) =576000
External references
- oeis: A161324