A175018 A005185(n)-floor(A005185(n)/2).

1, 1, 1, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 6, 6, 6, 8, 7, 7, 8, 8, 8, 8, 10, 9, 9, 10, 11, 10, 10, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 16, 12, 13, 15, 14, 13, 15, 15, 14, 16, 15, 16, 16, 16, 16, 20, 17, 16, 19, 18, 17, 20, 20, 19, 19, 20, 20, 20, 20, 21, 20, 21, 22, 22, 22, 22, 23, 22, 23, 24, 24, 23, 24, 24, 24, 24, 24, 24, 32, 21, 26, 27, 28

Offset

1,4

Comments

The terms are defined wherever the Hofstaedter Q-function A005185 is defined.

Links

Table of n, a(n) for n=1..100.

Formula

a(n) = A110654(A005185(n)).

Mathematica

(* The following program uses a package that has been declared obsolete. Version 7.0 will still load it but not before issuing a warning. *)
<< DiscreteMath`CombinatorialFunctions`
Table[Hofstadter[n] - Floor[Hofstadter[n]/2], {n, 200}] (* From Roger Bagula *)
(* For the following program, first run the program given for A005185 *) q[n_]:=a[n] - Floor[a[n]/2]; Table[q[n], {n, 100}] (* Alonso del Arte, Dec 02 2010 *)

Crossrefs

Cf. A005185.

Sequence in context: A263270 A337636 A011752 * A025790 A030617 A063272

Adjacent sequences: A175015 A175016 A175017 * A175019 A175020 A175021

Keyword

nonn

Author

Roger L. Bagula, Dec 02 2010

Status

approved