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A167904
4
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 16, 14, 13, 15, 17, 18, 19, 20, 21, 22, 23, 24, 27, 28, 25, 26, 29, 30, 33, 34, 31, 32, 35, 36, 37, 39, 40, 38, 41, 42, 43, 44, 45, 46, 47, 48, 49, 51, 52, 50, 53, 54, 55, 56, 57, 58, 60, 59, 62, 61, 63, 64, 65, 66, 67, 69, 70, 68, 71, 72
OFFSET
1,2
COMMENTS
Permutation of positive integers;
a(A167906(n)) = A167906(n);
a(A167905(n)) = A167905(a(n)) = A121878(n).
CROSSREFS
Sequence in context: A055471 A278328 A066254 * A347769 A004841 A293715
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Nov 15 2009
STATUS
approved