A046377 Palindromes with exactly 3 palindromic prime factors (counted with multiplicity).

8, 44, 66, 99, 242, 343, 363, 404, 606, 909, 1331, 2222, 2882, 3333, 5555, 6886, 7777, 12221, 15851, 20402, 26462, 30603, 37873, 39693, 112211, 145541, 167761, 226622, 248842, 339933, 347743, 662266, 664466, 668866, 682286, 993399, 996699, 1030301, 1246421

Offset: 1

Author

Patrick De Geest, Jun 15 1998

Keywords

• nonn
• base

Examples

			The palindrome 996699 is a term since it has 3 factors 3 11 30203, all palindromic.
		

Links

• Lars Blomberg, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A046329, A046409.

Extensions

More terms from Lars Blomberg, Nov 06 2015