A054089 For k >= 1, let p(k) = least h in N not already an a(i), q(k) = p(k)+k, a(2k) = q(k), a(2k+1) = p(k).

1, 3, 2, 6, 4, 8, 5, 11, 7, 14, 9, 16, 10, 19, 12, 21, 13, 24, 15, 27, 17, 29, 18, 32, 20, 35, 22, 37, 23, 40, 25, 42, 26, 45, 28, 48, 30, 50, 31, 53, 33, 55, 34, 58, 36, 61, 38, 63, 39, 66, 41, 69, 43, 71, 44, 74, 46, 76, 47, 79, 49, 82, 51

Offset

1,2

Links

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

Crossrefs

Cf. A004957 (even-indexed terms), A026351 (odd-indexed terms).

Sequence in context: A289194 A321508 A245261 * A365312 A365080 A257903

Adjacent sequences: A054086 A054087 A054088 * A054090 A054091 A054092

Keyword

nonn

Author

Clark Kimberling

Status

approved