A207800 Permutation of positive numbers. See comments.

1, 2, 3, 4, 7, 8, 5, 16, 15, 32, 6, 64, 11, 128, 9, 256, 31, 512, 10, 1024, 13, 2048, 12, 4096, 23, 8192, 17, 16384, 14, 32768, 18, 65536, 63, 131072, 20, 262144, 19, 524288, 24, 1048576, 27, 2097152, 33, 4194304, 21, 8388608, 34, 16777216, 47, 33554432, 36, 67108864, 22, 134217728, 40

Offset

1,2

Comments

a(1)=1; on places 2,4,6,8,... we put 2^m, m=1,2,3,..., i.e., numbers n with A000120(n)=1; on places 3,7,11,15,... we put numbers n with A000120(n)=2; on places 5,13,21,29,... we put numbers n with A000120(n)=3; etc.

For general description of the order, see comment in A207790.

Links

Table of n, a(n) for n=1..55.

Formula

a(n) = A066884(A209268(A065190(n))). Equivalently, a(n) = A067576(A249725(A065190(n))). - Ivan Neretin, Apr 30 2016

Crossrefs

Cf. A207790.

Sequence in context: A372133 A054424 A297164 * A109436 A177045 A241783

Adjacent sequences: A207797 A207798 A207799 * A207801 A207802 A207803

Keyword

nonn

Author

Vladimir Shevelev and Peter J. C. Moses, Feb 20 2012

Extensions

a(30) corrected by Ivan Neretin, Apr 30 2016

Status

approved