A115823 - OEIS

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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 *)

PROG

(PARI) is(n)=bitxor(8*n, 13*n)==21*n \\ Charles R Greathouse IV, Sep 25 2024

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: A230851 A334101 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