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A004521 Generalized nim sum n + n in base 11. 0
0, 2, 4, 6, 8, 10, 1, 3, 5, 7, 9, 22, 24, 26, 28, 30, 32, 23, 25, 27, 29, 31, 44, 46, 48, 50, 52, 54, 45, 47, 49, 51, 53, 66, 68, 70, 72, 74, 76, 67, 69, 71, 73, 75, 88, 90, 92, 94, 96, 98, 89, 91, 93, 95, 97, 110, 112, 114 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..57.

Index entries for sequences related to Nim-sums

FORMULA

Generalized nim sum m + n in base q: write m and n in base q and add mod q with no carries, e.g. 5 + 8 in base 3 = "21" + "22" = "10" = 1.

CROSSREFS

Sequence in context: A276138 A114973 A004522 * A103694 A083167 A338741

Adjacent sequences:  A004518 A004519 A004520 * A004522 A004523 A004524

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified August 3 07:58 EDT 2021. Contains 346435 sequences. (Running on oeis4.)