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A214653
Where A214551(n) and A214551(n+2) are coprime.
3
0, 1, 2, 3, 4, 5, 11, 12, 13, 14, 20, 21, 22, 23, 24, 25, 27, 29, 30, 31, 32, 34, 36, 38, 43, 44, 45, 46, 49, 50, 51, 54, 62, 63, 64, 66, 67, 69, 70, 71, 73, 74, 76, 77, 78, 79, 80, 81, 83, 85, 86, 87, 88, 89, 90, 92, 94, 95, 96, 99, 101, 103, 105, 107, 108
OFFSET
1,3
COMMENTS
A214323(a(n)) = 1.
LINKS
PROG
(Haskell)
import Data.List (elemIndices)
a214653 n = a214653_list !! (n-1)
a214653_list = elemIndices 1 a214323_list
CROSSREFS
Sequence in context: A084545 A069908 A130640 * A234142 A116068 A104420
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jul 24 2012
STATUS
approved