0,1

E.g. 17998875 = 3 * 3 * 3 * 5 * 5 * 5 * 5333 -> 3335555333 is palindromic.

Cf. A046447.

Sequence in context: A001015 A050754 A113852 this_sequence A092759 A056574 A096961

Adjacent sequences: A046453 A046454 A046455 this_sequence A046457 A046458 A046459

nonn

Patrick De Geest (pdg(AT)worldofnumbers.com), Jul 15 1998.