A361003 a(n) = A000005(n) + floor((n-1)/2).

1, 2, 3, 4, 4, 6, 5, 7, 7, 8, 7, 11, 8, 10, 11, 12, 10, 14, 11, 15, 14, 14, 13, 19, 15, 16, 17, 19, 16, 22, 17, 21, 20, 20, 21, 26, 20, 22, 23, 27, 22, 28, 23, 27, 28, 26, 25, 33, 27, 30, 29, 31, 28, 34, 31, 35, 32, 32, 31, 41, 32, 34, 37, 38, 36, 40, 35, 39

Offset

1,2

Links

Table of n, a(n) for n=1..68.

Crossrefs

First column of A361001.

Cf. A000005.

Sequence in context: A158973 A071323 A071324 * A321441 A063655 A111234

Adjacent sequences: A361000 A361001 A361002 * A361004 A361005 A361006

Keyword

nonn

Author

Pontus von Brömssen, Feb 28 2023

Status

approved