Numbers whose squares remain squares when prepended with 2 and appended with 25 in base 10.
A249968
Numbers whose squares remain squares when prepended with 2 and appended with 25 in base 10.
Terms
- a(0) =16a(1) =14130a(2) =42260a(3) =491230a(4) =11192300a(5) =18172350a(6) =20878660a(7) =565802820a(8) =592874284a(9) =2765209166a(10) =19789454240
External references
- oeis: A249968