OFFSET
1,1
COMMENTS
a(3k) = 0, k > 0.
A subsidiary sequence could be obtained by replacing a(3n) by the least multiple of n which on division by largest power of 3 that divides it gives a number whose digit reversal is prime.
Note also that a(77) = 0. - Joshua Zucker, May 04 2006
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Jul 06 2005
EXTENSIONS
More terms from Joshua Zucker, May 04 2006
STATUS
approved