OFFSET
1,1
COMMENTS
A third-order fractal palindromic prime is of the form W*W_W*W.W*W_W*W, where parts W*W_W*W, W*W and W are all palindromic primes and the symbols ., _, * stand for central digits; W may not be further split in this manner into shorter palindromic primes.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Lekraj Beedassy, May 13 2003
STATUS
approved