A341336 Inverse permutation to A341335.

0, 1, 3, 2, 7, 6, 5, 4, 14, 15, 12, 13, 11, 10, 9, 8, 29, 28, 31, 30, 25, 24, 27, 26, 23, 22, 21, 20, 19, 18, 17, 16, 59, 58, 57, 56, 63, 62, 61, 60, 50, 51, 48, 49, 54, 55, 52, 53, 46, 47, 44, 45, 42, 43, 40, 41, 39, 38, 37, 36, 35, 34, 33, 32, 119, 118, 117

Offset

0,3

Links

Rémy Sigrist, Table of n, a(n) for n = 0..8191

Index entries for sequences that are permutations of the natural numbers

Example

A341335(42) = 52, so a(52) = 42.

Prog

(PARI) a(n) = { my (c=binary(n), b=c); for (m=1, #b, fordiv (m, d, if (d<m, b[m] = (b[m] + b[d])%2))); fromdigits(b, 2) }

Crossrefs

Cf. A341335.

Sequence in context: A228993 A083569 A071574 * A276344 A334727 A341335

Adjacent sequences: A341333 A341334 A341335 * A341337 A341338 A341339

Keyword

nonn,base

Author

Rémy Sigrist, Apr 25 2021

Status

approved