A004519 Generalized nim sum n + n in base 9.

0, 2, 4, 6, 8, 1, 3, 5, 7, 18, 20, 22, 24, 26, 19, 21, 23, 25, 36, 38, 40, 42, 44, 37, 39, 41, 43, 54, 56, 58, 60, 62, 55, 57, 59, 61, 72, 74, 76, 78, 80, 73, 75, 77, 79, 9, 11, 13, 15, 17, 10, 12, 14, 16, 27, 29, 31, 33

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: A077492 A007396 A169910 * A036839 A004093 A106202

Adjacent sequences: A004516 A004517 A004518 * A004520 A004521 A004522

Keyword

nonn,base

Author

N. J. A. Sloane

Status

approved