A180198 a(n) = A180200(A180200(n)).

0, 1, 2, 3, 4, 5, 6, 7, 9, 8, 11, 10, 12, 13, 14, 15, 19, 18, 17, 16, 22, 23, 20, 21, 25, 24, 27, 26, 28, 29, 30, 31, 38, 39, 36, 37, 35, 34, 33, 32, 44, 45, 46, 47, 41, 40, 43, 42, 51, 50, 49, 48, 54, 55, 52, 53, 57, 56, 59, 58, 60, 61, 62, 63, 76, 77, 78, 79, 73, 72, 75, 74, 70

Offset

0,3

Comments

Permutation of the natural numbers with inverse A180199;

a(A180201(n)) = A180201(a(n)) = A180200(n);

a(A075427(n)) = A075427(n).

Links

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

Index entries for sequences that are permutations of the natural numbers

Crossrefs

Cf. A075427, A180199, A180200, A180201.

Sequence in context: A367935 A207334 A294660 * A180199 A284120 A183081

Adjacent sequences: A180195 A180196 A180197 * A180199 A180200 A180201

Keyword

nonn

Author

Reinhard Zumkeller, Aug 15 2010

Status

approved