A102453 -id:A102453 - cp's OEIS frontend

A102455 A102453(A102453(n)).

1, 2, 3, 4, 5, 6, 7, 10, 9, 11, 8, 17, 19, 13, 12, 14, 16, 22, 15, 23, 21, 18, 20, 27, 25, 26, 29, 37, 24, 31, 41, 28, 33, 34, 35, 30, 43, 38, 32, 36, 40, 45, 39, 47, 44, 42, 46, 59, 49, 50, 51, 53, 56, 48, 55, 54, 52, 58, 57, 67, 66, 62, 61, 63, 60, 73, 71, 64, 65, 69, 79, 68

Offset: 1

Reinhard Zumkeller, Jan 09 2005

nonn

Permutation of the positive integers with inverse A102453.

Index entries for sequences that are permutations of the natural numbers

Cf. A101212.

A101212 a(1) = 1; for n>=2, a(n) = A001222(n)th positive integer not yet in the sequence.

Original entry on oeis.org

1, 2, 3, 5, 4, 7, 6, 10, 9, 11, 8, 14, 12, 15, 16, 19, 13, 20, 17, 22, 21, 23, 18, 27, 25, 26, 29, 30, 24, 32, 28, 36, 33, 34, 35, 39, 31, 38, 40, 43, 37, 44, 41, 46, 47, 45, 42, 52, 49, 51, 50, 54, 48, 57, 55, 59, 56, 58, 53, 63, 60, 62, 65, 69, 64, 67, 61, 70, 68, 72, 66, 76

Offset: 1

Leroy Quet, Dec 13 2004

nonn

A permutation of the positive integers.

Index entries for sequences that are permutations of the natural numbers

Cf. A001222.
Inverse: A102454; A102453(n) = a(a(n)).
Cf. A102455.

terms = 72; a[1] = 1; a[n_] := a[n] = Complement[Range[Ceiling[6n/5]], Array[a, n-1]][[PrimeOmega[n]]]; Array[a, terms] (* Jean-François Alcover, Jun 06 2017 *)

More terms from Reinhard Zumkeller, Jan 09 2005

cp's OEIS Frontend

A102455 A102453(A102453(n)).

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