Numbers k such that k concatenated with k-3 gives the product of two numbers which differ by 9.
A116140
Numbers k such that k concatenated with k-3 gives the product of two numbers which differ by 9.
Terms
- a(0) =5a(1) =7403a(2) =8885a(3) =12563a(4) =41675a(5) =54239a(6) =2353623a(7) =2650793a(8) =7717533a(9) =527390351115a(10) =567933643889a(11) =627121279653a(12) =671264212463
External references
- oeis: A116140