Numbers whose square is the concatenation of two numbers k and k+8.
A115440
Numbers whose square is the concatenation of two numbers k and k+8.
Terms
- a(0) =7747a(1) =8021a(2) =33294318a(3) =66705683a(4) =98000201a(5) =340465755425a(6) =476452552745a(7) =523547447256a(8) =659534244576a(9) =866013200681a(10) =998000002001
External references
- oeis: A115440