OFFSET
1,10
COMMENTS
a(1) = 1, a(18) = 18. Are there more terms for which a(k) = k?
EXAMPLE
a(12) = lcm(12,21)/gcd(12,21) = 84/3 = 28.
MATHEMATICA
r[n_] := FromDigits[ Reverse[ IntegerDigits[n]]]; Table[ LCM[n, r[n]] / GCD[n, r[n]], {n, 1, 65}]
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, May 09 2002
EXTENSIONS
Edited by Robert G. Wilson v, May 10 2002
STATUS
approved