login
This site is supported by donations to The OEIS Foundation.

 

Logo

Annual Appeal: Please make a donation to keep the OEIS running. In 2018 we replaced the server with a faster one, added 20000 new sequences, and reached 7000 citations (often saying "discovered thanks to the OEIS").
Other ways to donate

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A115823 Integers i such that 8*i XOR 13*i = 21*i. 3
0, 3, 5, 6, 10, 12, 20, 21, 24, 40, 41, 42, 48, 79, 80, 82, 84, 85, 96, 158, 160, 163, 164, 168, 169, 170, 192, 195, 316, 320, 323, 325, 326, 328, 329, 335, 336, 338, 340, 341, 384, 387, 389, 390, 632, 633, 640, 643, 645, 646, 650, 652, 656, 658, 670, 672, 675 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

XOR is A003987.

LINKS

Table of n, a(n) for n=0..56.

Index entries for sequences defined by congruent products under XOR

MATHEMATICA

Select[Range[0, 700], BitXor[8#, 13#]==21#&] (* Harvey P. Dale, May 02 2012 *)

CROSSREFS

Seems to be a superset of A115805. A115825 gives the terms not present in A115805. A115824 shows this sequence in binary.

Sequence in context: A207063 A230851 A265749 * A190721 A112926 A176747

Adjacent sequences:  A115820 A115821 A115822 * A115824 A115825 A115826

KEYWORD

nonn

AUTHOR

Antti Karttunen, Feb 01 2006

EXTENSIONS

Definition corrected by Harvey P. Dale, May 02 2012

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 December 11 22:04 EST 2018. Contains 318052 sequences. (Running on oeis4.)