0,1
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.
Adjacent sequences: A004510 A004511 A004512 this_sequence A004514 A004515 A004516
Sequence in context: A056465 A056455 A128378 this_sequence A004465 A066024 A123608
nonn
njas
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