login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A175018 A005185(n)-floor(A005185(n)/2). 0
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 (list; graph; refs; listen; history; text; internal format)
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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 25 08:33 EST 2021. Contains 341606 sequences. (Running on oeis4.)