A308049 Inverse permutation to A308021 (Recamán variant).

1, 2, 4, 7, 3, 8, 5, 12, 14, 6, 16, 9, 21, 20, 10, 25, 11, 27, 28, 13, 33, 15, 37, 34, 17, 42, 18, 45, 19, 41, 48, 55, 22, 47, 23, 58, 24, 61, 54, 26, 66, 29, 60, 71, 30, 75, 31, 78, 32, 68

Offset

1,2

Comments

More precisely, A308021 is by definition injective but presently only conjectured to be a permutation. Until that property is proved, we define this sequence as a(n) = index of the n-th smallest term of A308021.

Links

Table of n, a(n) for n=1..50.

Crossrefs

Cf. A308021.

Sequence in context: A303641 A137282 A139696 * A084332 A081145 A100707

Adjacent sequences: A308046 A308047 A308048 * A308050 A308051 A308052

Keyword

nonn

Author

M. F. Hasler, May 10 2019

Status

approved