A115825 - OEIS

A115825

Integers i such that 8*i XOR 13*i = 23*i, but 13*i is not 29 X i.

5, 10, 20, 21, 40, 41, 42, 79, 80, 82, 84, 85, 158, 160, 163, 164, 168, 169, 170, 316, 320, 323, 325, 326, 328, 329, 335, 336, 338, 340, 341, 389, 632, 633, 640, 643, 645, 646, 650, 652, 656, 658, 670, 672, 675, 676, 680, 681, 682, 773, 778, 1264, 1266

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OFFSET

1,1

COMMENTS

Here * stands for ordinary multiplication and X means carryless (GF(2)[X]) multiplication (A048720). XOR is given at A003987.

LINKS

Table of n, a(n) for n=1..53.

CROSSREFS

Cf. Setwise difference of A115823 and A115805. A115826 shows this sequence in binary.

Sequence in context: A331142 A345711 A300019 * A115774 A062052 A245387

Adjacent sequences: A115822 A115823 A115824 * A115826 A115827 A115828

KEYWORD

nonn

AUTHOR

Antti Karttunen, Feb 01 2006

STATUS

approved