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A285987
a(n)=least number that is cyclops for exactly n distinct bases b > 1.
1
1, 5, 19, 51, 197, 901, 2038, 5839, 13476, 18517, 36993, 60544, 60557, 60555, 60553, 705691, 705758, 2528254, 4762881, 5645512, 5645535, 20250250, 20250249, 26733097, 66978018, 66978001, 66978016, 66978065, 66978193, 133956385, 187142781, 589907497, 1018886425
OFFSET
0,2
COMMENTS
A134808 gives the definition of cyclops numbers for base 10; we can naturally generalize this notion for any base b > 1.
This sequence is not strictly increasing; for example: a(12) = 60557 > a(13) = 60555 > a(14) = 60553.
LINKS
CROSSREFS
Cf. A134808.
Sequence in context: A100104 A015650 A200764 * A055365 A209817 A281156
KEYWORD
nonn,base
AUTHOR
Rémy Sigrist, Apr 30 2017
STATUS
approved