Integers which are exactly the concatenation of the first m odd numbers (A019519) divided by their sum (A000290 = m^2).
A072723
Integers which are exactly the concatenation of the first m odd numbers (A019519) divided by their sum (A000290 = m^2).
Terms
- a(0) =1a(1) =15a(2) =16764334957
External references
- oeis: A072723