Smallest Integer not Sum of Two Ulam Numbers/Mistake
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Source Work
1997: David Wells: Curious and Interesting Numbers (2nd ed.):
- The Dictionary
- $23$
Mistake
- [$23$ is] the smallest number which is not the sum of two Ulam numbers.
He forgot $1$.
Sources
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $23$