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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A280508 a(n) = n XOR A057889(n). 6
 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 6, 0, 0, 0, 0, 0, 10, 0, 0, 12, 10, 0, 10, 12, 0, 0, 10, 0, 0, 0, 0, 0, 18, 0, 12, 20, 30, 0, 12, 0, 30, 24, 0, 20, 18, 0, 18, 20, 0, 24, 30, 0, 12, 0, 30, 20, 12, 0, 18, 0, 0, 0, 0, 0, 34, 0, 20, 36, 54, 0, 0, 24, 34, 40, 20, 60, 54, 0, 20, 24, 54, 0, 0, 60, 34, 48, 20, 0, 54, 40, 0, 36, 34, 0, 34, 36, 0, 40, 54, 0, 20, 48 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,12 LINKS Antti Karttunen, Table of n, a(n) for n = 0..8191 FORMULA a(n) = A003987(n,A057889(n)) = n XOR A057889(n). Other identities. For all n >= 0: a(A057889(n)) = a(n). PROG (Scheme) (define (A280508 n) (A003987bi n (A057889 n))) ;; Where A003987bi implements A003987 (bitwise-XOR). CROSSREFS Cf. A003987, A057889, A280505, A280506, A280507, A280509. Cf. A057890 (positions of zeros). Sequence in context: A198426 A335614 A019110 * A217221 A158090 A010677 Adjacent sequences:  A280505 A280506 A280507 * A280509 A280510 A280511 KEYWORD nonn,base AUTHOR Antti Karttunen, Jan 09 2017 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.

Last modified January 27 06:18 EST 2022. Contains 350601 sequences. (Running on oeis4.)