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A066252
a(n) = A066248(A066248(n)).
1
4, 6, 2, 8, 1, 7, 3, 5, 9, 10, 11, 12, 13, 17, 19, 15, 21, 14, 25, 27, 31, 16, 35, 37, 39, 43, 47, 23, 49, 18, 53, 55, 57, 61, 63, 29, 67, 71, 73, 33, 77, 20, 81, 83, 85, 22, 89, 93, 95, 99, 101, 41, 103, 107, 111, 113, 117, 45, 119, 24, 123, 127, 129, 133, 137, 51, 141
OFFSET
1,1
COMMENTS
Permutation of natural numbers.
CROSSREFS
Sequence in context: A137662 A336049 A153124 * A065165 A377033 A088516
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Dec 09 2001
STATUS
approved