A004521 Generalized nim sum n + n in base 11.

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

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 A372144 A357379

Adjacent sequences: A004518 A004519 A004520 * A004522 A004523 A004524

Keyword

nonn,base

Author

N. J. A. Sloane

Status

approved