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

1,1

Links

Table of n, a(n) for n=1..47.

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

Offset corrected by Andrew Howroyd, Sep 29 2024

Status

approved