A026264 (1/2)*(s(n) + 1), where s(n) is the n-th odd number in A026262.

1, 2, 3, 4, 6, 7, 5, 8, 9, 15, 10, 16, 11, 17, 18, 12, 13, 14, 25, 26, 27, 28, 19, 20, 21, 22, 34, 23, 35, 36, 24, 37, 44, 29, 45, 30, 46, 47, 31, 32, 33, 53, 54, 55, 56, 38, 39, 40, 41, 63, 42, 64, 65, 43, 66, 72, 73, 48, 74, 49, 75, 50, 51

Offset

1,2

Links

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

Crossrefs

Sequence in context: A071661 A125977 A071666 * A073208 A182113 A361647

Adjacent sequences: A026261 A026262 A026263 * A026265 A026266 A026267

Keyword

nonn

Author

Clark Kimberling

Status

approved