Numbers k such that k*(k+5) gives the concatenation of two numbers m and m+9.
A116351
Numbers k such that k*(k+5) gives the concatenation of two numbers m and m+9.
Terms
- a(0) =8446a(1) =8811
External references
- oeis: A116351
A116351
Numbers k such that k*(k+5) gives the concatenation of two numbers m and m+9.