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A130573
3
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 19, 20, 12, 13, 14, 15, 16, 17, 18, 21, 22, 29, 30, 23, 24, 25, 26, 27, 28, 31, 32, 33, 39, 40, 34, 35, 36, 37, 38, 41, 42, 43, 44, 49, 50, 45, 46, 47, 48, 51, 52, 53, 54, 55, 59, 60, 56, 57, 58, 61, 62, 63, 64, 65, 66, 69, 70, 67, 68, 71, 72
OFFSET
0,3
COMMENTS
Permutation of the natural numbers with inverse A130574;
a(A130575(n)) = A130575(n).
CROSSREFS
Sequence in context: A085079 A289234 A033000 * A032980 A239217 A130571
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jun 05 2007
STATUS
approved