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A004503 Tersum n + 14. 0
14, 12, 13, 17, 15, 16, 11, 9, 10, 23, 21, 22, 26, 24, 25, 20, 18, 19, 5, 3, 4, 8, 6, 7, 2, 0, 1, 41, 39, 40, 44, 42, 43, 38, 36, 37, 50, 48, 49, 53, 51, 52, 47, 45, 46, 32, 30, 31, 35, 33, 34, 29, 27, 28, 68, 66, 67, 71 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

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

FORMULA

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

CROSSREFS

Sequence in context: A240815 A305938 A206605 * A140810 A340720 A166041

Adjacent sequences:  A004500 A004501 A004502 * A004504 A004505 A004506

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified May 21 14:24 EDT 2022. Contains 353909 sequences. (Running on oeis4.)