A371221 Inverse permutation to A371220.

1, 3, 2, 5, 7, 9, 11, 13, 15, 4, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 8, 81, 83, 85, 87, 89, 91, 93, 95, 6, 97, 10, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 12

Offset

1,2

Links

Table of n, a(n) for n=1..65.

Rémy Sigrist, PARI program

Index entries for sequences that are permutations of the natural numbers

Formula

a(n) <= 2*n.

Example

A371220(42) = 231, so a(231) = 42.

Prog

(PARI) See Links section.

Crossrefs

Cf. A371220.

Sequence in context: A304881 A266635 A110338 * A171018 A350192 A239260

Adjacent sequences: A371218 A371219 A371220 * A371222 A371223 A371224

Keyword

nonn

Author

Rémy Sigrist, Mar 15 2024

Status

approved