Smallest numbers with properties: products of two distinct primes of the form a(k)=2^n*m-(2^n-1), n:0->k.
A177220
Smallest numbers with properties: products of two distinct primes of the form a(k)=2^n*m-(2^n-1), n:0->k.
Terms
- a(0) =6a(1) =26a(2) =33a(3) =247a(4) =247a(5) =634a(6) =694a(7) =11293a(8) =31261a(9) =31261a(10) =173311a(11) =173311a(12) =2212801
External references
- oeis: A177220