Numbers k such that k*(k+2) gives the concatenation of two numbers m and m+1.
A116295
Numbers k such that k*(k+2) gives the concatenation of two numbers m and m+1.
Terms
- a(0) =8873a(1) =9010a(2) =83352841a(3) =99000100a(4) =329767122287a(5) =670232877712a(6) =738226276372a(7) =933006600340a(8) =999000001000
External references
- oeis: A116295