Oaks and Acorns
Each of these pairs of numbers contains the 10 digits:
57321 60984
35172 60984
58413 96702
59403 76182
Square any one of them and it will grow into its own 10-digit pandigital number.
An idler's miscellany of compendious amusements
Each of these pairs of numbers contains the 10 digits:
57321 60984
35172 60984
58413 96702
59403 76182
Square any one of them and it will grow into its own 10-digit pandigital number.