A026257 a(n) = (1/2)*(s(n) + 1), where s(n) is the n-th odd number in A026255.

1, 2, 4, 5, 3, 6, 11, 12, 7, 8, 9, 17, 18, 10, 19, 24, 13, 25, 14, 15, 16, 30, 31, 32, 37, 20, 38, 21, 22, 23, 43, 44, 45, 26, 49, 50, 27, 51, 28, 29, 56, 57, 58, 33, 62, 63, 34, 64, 35, 36, 69, 70, 71, 39, 40, 75, 76, 41, 77, 42, 82, 83, 84

Offset

1,2

Links

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

Crossrefs

Sequence in context: A065183 A119791 A317687 * A357986 A099520 A327432

Adjacent sequences: A026254 A026255 A026256 * A026258 A026259 A026260

Keyword

nonn

Author

Clark Kimberling

Status

approved