A083986 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))).

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

Offset

0,1

Links

Table of n, a(n) for n=0..46.

Example

a(7) = lcm(18, 81) = 162.

Crossrefs

Cf. A083983, A083984, A083985.

Cf. A101594.

Sequence in context: A241612 A227708 A229537 * A189543 A251300 A251293

Adjacent sequences: A083983 A083984 A083985 * A083987 A083988 A083989

Keyword

base,nonn

Author

Amarnath Murthy, May 22 2003

Extensions

Corrected and extended by David Wasserman, Dec 07 2004

Status

approved