id:A004510 - OEIS Search Results

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Tersum n + 21.

+0
1

21, 22, 23, 24, 25, 26, 18, 19, 20, 3, 4, 5, 6, 7, 8, 0, 1, 2, 12, 13, 14, 15, 16, 17, 9, 10, 11, 48, 49, 50, 51, 52, 53, 45, 46, 47, 30, 31, 32, 33, 34, 35, 27, 28, 29, 39, 40, 41, 42, 43, 44, 36, 37, 38, 75, 76, 77, 78 (list; graph; listen)

	OFFSET	`0,1`
	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: A056485 A056475 A165842 this_sequence A141439 A125737 A160782` `Adjacent sequences: A004507 A004508 A004509 this_sequence A004511 A004512 A004513`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified December 21 10:15 EST 2009. Contains 171081 sequences.

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