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

Author

Clark Kimberling

Keywords

• nonn

Comments

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

Links

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

Crossrefs

Cf. A026166, A026136.

Extensions

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