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A130574 A130572(A130572(n)). 3
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 12, 13, 21, 22, 25, 26, 27, 28, 29, 30, 23, 24, 31, 32, 33, 36, 37, 38, 39, 40, 34, 35, 41, 42, 43, 44, 47, 48, 49, 50, 45, 46, 51, 52, 53, 54, 55, 58, 59, 60, 56, 57, 61, 62, 63, 64, 65, 66, 69, 70, 67, 68, 71, 72 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Permutation of the natural numbers with inverse A130573;

a(A130575(n)) = A130575(n).

LINKS

Table of n, a(n) for n=0..72.

Index entries for sequences that are permutations of the natural numbers

CROSSREFS

Sequence in context: A048323 A048336 A230776 * A023780 A035064 A113191

Adjacent sequences:  A130571 A130572 A130573 * A130575 A130576 A130577

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jun 05 2007

STATUS

approved

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Last modified October 25 05:36 EDT 2014. Contains 248518 sequences.