The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A135587 a(n) = A135586(2n). 2
 1, 2, 5, 3, 7, 8, 17, 4, 9, 10, 21, 11, 23, 24, 49, 5, 11, 12, 25, 13, 27, 28, 57, 14, 29, 30, 61, 31, 63, 64, 129, 6, 13, 14, 29, 15, 31, 32, 65, 16, 33, 34, 69, 35, 71, 72, 145, 17, 35, 36, 73, 37, 75, 76, 153, 38, 77, 78, 157, 79, 159, 160, 321, 7, 15, 16, 33, 17, 35, 36, 73 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS R. Zumkeller, Table of n, a(n) for n = 1..5000 FORMULA a(2^k) = k+1; a(4*k+2) = a(4*k+1) + 1; a(4*k+3) = 2*a(4*k+2) + 1. - Reinhard Zumkeller, Mar 02 2008 CROSSREFS Cf. A135586. Sequence in context: A125512 A272908 A191432 * A191671 A176707 A257533 Adjacent sequences: A135584 A135585 A135586 * A135588 A135589 A135590 KEYWORD nonn,easy,look AUTHOR Don Knuth, Mar 01 2008 EXTENSIONS More terms from Reinhard Zumkeller, Mar 02 2008 STATUS approved

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

Last modified September 7 05:42 EDT 2024. Contains 375729 sequences. (Running on oeis4.)