A026182 a(n) = (1/2)*(s(n) + 1), where s(n) is the n-th odd number in A026136.

1, 2, 4, 5, 3, 8, 10, 11, 13, 14, 6, 17, 7, 20, 22, 23, 9, 26, 28, 29, 31, 32, 12, 35, 37, 38, 40, 41, 15, 44, 16, 47, 49, 50, 18, 53, 19, 56, 58, 59, 21, 62, 64, 65, 67, 68, 24, 71, 25, 74, 76, 77, 27, 80, 82, 83, 85, 86, 30, 89, 91, 92, 94

Offset

1,2

Comments

Also a(n) = (1/2)*s(n), where s(n) is the n-th even number in A026166.

Links

Table of n, a(n) for n=1..63.

F. M. Dekking, Permutations of N generated by left-right filling algorithms, arXiv:2001.08915 [math.CO], 2020.

Crossrefs

Cf. A026166, A026136.

Sequence in context: A105529 A329454 A120237 * A026198 A026206 A353708

Adjacent sequences: A026179 A026180 A026181 * A026183 A026184 A026185

Keyword

nonn

Author

Clark Kimberling

Extensions

Edited by N. J. A. Sloane, Jan 31 2020

Status

approved