Sequence of Dudeney Numbers/Historical Note
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Historical Note on Sequence of Dudeney Numbers
The earliest known appearance of this result is from Claude Séraphin Moret-Blanc in $1879$, although exactly where this was published is still to be identified.
Henry Ernest Dudeney subsequently published it in one of his own collections.
As a result, a number which equals the sum of the digits of its cube is now called a Dudeney number.
It continues to crop up occasionally in publications devoted to recreational mathematics.