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A004517 Generalized nim sum n + n in base 7. 0
0, 2, 4, 6, 1, 3, 5, 14, 16, 18, 20, 15, 17, 19, 28, 30, 32, 34, 29, 31, 33, 42, 44, 46, 48, 43, 45, 47, 7, 9, 11, 13, 8, 10, 12, 21, 23, 25, 27, 22, 24, 26, 35, 37, 39, 41, 36, 38, 40, 98, 100, 102, 104, 99, 101, 103, 112 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

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

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: A077069 A261596 A080413 * A254350 A056649 A075242

Adjacent sequences:  A004514 A004515 A004516 * A004518 A004519 A004520

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified October 22 01:48 EDT 2021. Contains 348160 sequences. (Running on oeis4.)