A046381 Palindromes with exactly 7 palindromic prime factors (counted with multiplicity).

82728, 279972, 657756, 29077092, 85688658, 89288298, 561363165, 579828975, 582636285, 819828918, 2209559022, 5154334515, 5637337365, 6824774286, 8904664098, 19585758591, 42372027324, 62663836626, 70151815107, 167985589761, 4650120210564, 6552226222556

Offset: 1

Author

Patrick De Geest, Jun 15 1998

Keywords

• nonn
• base

Examples

			The palindrome 7051034301507 is a term since it has 7 factors 3^2 7 101^2 313 35053, all palindromic.
		

Links

• Lars Blomberg, Table of n, a(n) for n = 1..39, terms < 10^16.

Crossrefs

Cf. A046333.

Extensions

More terms from Lars Blomberg, Nov 06 2015