Definition:Obstinate Number/Sequence
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Sequence of Obstinate Numbers
The sequence of obstinate numbers begins:
- $1, 127, 149, 251, 331, 337, 373, 509, 599, 701, 757, 809, 877, 905, \ldots$
This sequence is A006285 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008).
Sources
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $127$