A071277 a(1) = 1; a(n) = smallest palindrome which is a nontrivial product of n palindromes (repetitions allowed).

1, 4, 8, 88, 252, 2112, 2112, 2112, 4224, 8448, 48384, 48384, 405504, 405504, 405504, 40955904, 677707776, 677707776, 677707776, 677707776

Offset: 1

Author

Amarnath Murthy, Jun 07 2002

Keywords

• base
• nonn
• more

Examples

			a(4) = 88 = 2*2*2*11.
a(5) = 252 = 2*2*3*3*7.
		

Crossrefs

Cf. A071276, A378140.

Extensions

Corrected and extended by Sascha Kurz, Jan 02 2003

Name corrected by Robert Israel, Jan 08 2025