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A143054 A143052(A143052(n)). 3
0, 1, 4, 2, 3, 7, 8, 9, 5, 6, 12, 13, 14, 15, 16, 10, 11, 19, 20, 21, 22, 23, 24, 25, 17, 18, 28, 29, 30, 31, 32, 33, 34, 35, 36, 26, 27, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 37, 38, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 50, 51, 67, 68, 69, 70, 71, 72, 73, 74 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Permutation of the natural numbers, inverse: A143053;

For n>1: a(A008865(n))=A000290(n),

a(A000290(n))=A000290(n)-A005408(n-2).

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: A010315 A021240 A306716 * A195953 A016512 A201651

Adjacent sequences:  A143051 A143052 A143053 * A143055 A143056 A143057

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Jul 20 2008

STATUS

approved

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Last modified May 15 01:50 EDT 2021. Contains 343909 sequences. (Running on oeis4.)