A004511 Tersum n + 22.

22, 23, 21, 25, 26, 24, 19, 20, 18, 4, 5, 3, 7, 8, 6, 1, 2, 0, 13, 14, 12, 16, 17, 15, 10, 11, 9, 49, 50, 48, 52, 53, 51, 46, 47, 45, 31, 32, 30, 34, 35, 33, 28, 29, 27, 40, 41, 39, 43, 44, 42, 37, 38, 36, 76, 77, 75, 79

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: A336827 A004463 A152835 * A296763 A236404 A058814

Adjacent sequences: A004508 A004509 A004510 * A004512 A004513 A004514

Keyword

nonn

Author

N. J. A. Sloane

Status

approved