Numbers k such that k concatenated with k+8 gives the product of two numbers which differ by 9.
A116216
Numbers k such that k concatenated with k+8 gives the product of two numbers which differ by 9.
Terms
- a(0) =122a(1) =424a(2) =694a(3) =778a(4) =878a(5) =11012a(6) =17872a(7) =33322a(8) =44644
External references
- oeis: A116216