Numbers k such that k concatenated with k+4 gives the product of two numbers which differ by 9.
A116190
Numbers k such that k concatenated with k+4 gives the product of two numbers which differ by 9.
Terms
- a(0) =16a(1) =36a(2) =12366a(3) =42036a(4) =64996a(5) =1589736168a(6) =1921234732a(7) =3154856388a(8) =3615437032a(9) =5939192968a(10) =6565302732
External references
- oeis: A116190