id:A083986 - OEIS Search Results

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If k is a number with exactly two distinct decimal digits, say a and b, neither of which is 0 (i.e. a member of A101594), define the self-complement of k, SC(k), to be the number obtained by replacing a with b and vice versa. Then a(n) = lcm(A101594(n), SC(A101594(n))).

+0
3

84, 403, 574, 255, 976, 1207, 162, 1729, 84, 736, 168, 1300, 806, 216, 1148, 2668, 403, 736, 1462, 1855, 252, 2701, 3154, 1209, 574, 168, 1462, 270, 1472, 3478, 336, 4606, 255, 1300, 1855, 270, 3640, 1425, 4930, 5605, 976, 806, 252, 1472, 3640, 5092, 2924 (list; graph; listen)

	OFFSET	`0,1`
	EXAMPLE	`a(7) = lcm(18, 81) = 162.`
	CROSSREFS	`Cf. A083983, A083984, A083985.` `Cf. A101594.` `Sequence in context: A137210 A160321 A131072 this_sequence A064198 A008429 A069080` `Adjacent sequences: A083983 A083984 A083985 this_sequence A083987 A083988 A083989`
	KEYWORD	`base,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 22 2003`
	EXTENSIONS	`Corrected and extended by David Wasserman (wasserma(AT)spawar.navy.mil), Dec 07 2004`

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.

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