Definition:Nontotient/Sequence
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Definition
The sequence of nontotients begins:
- $14, 26, 34, 38, 50, 62, 68, 74, 76, 86, 90, 94, 98, 114, 118, 122, 124, 134, 142, 146, 152, 154, \ldots$
This sequence is A005277 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).
Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $14$
- 1994: Richard K. Guy: Unsolved Problems in Number Theory (2nd ed.)
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $14$
- Weisstein, Eric W. "Nontotient." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Nontotient.html