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A179978
3
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 22, 23, 24, 25, 26, 18, 19, 20, 21, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 42, 43, 44, 45, 46, 38, 39, 40, 41, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 62, 63, 64, 65, 66, 58, 59, 60, 61, 67, 68, 69, 70, 71, 72
OFFSET
1,2
COMMENTS
a(A179979(n)) = A179979(n);
A108971(n) = a(A179977(n)) = A179977(a(n)).
CROSSREFS
Sequence in context: A123719 A113221 A113219 * A370132 A023771 A132033
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Aug 04 2010
STATUS
approved