A115697 Powerful(1) numbers (A001694) whose digit reversal is the product of 2 palindromes greater than 1.

4, 8, 9, 27, 36, 72, 81, 121, 243, 324, 400, 484, 648, 800, 900, 1089, 1331, 1728, 1800, 2187, 2197, 2700, 3267, 3456, 3600, 4000, 4356, 4500, 5184, 5292, 5324, 5400, 5625, 6561, 7200, 7803, 8000, 8100, 8712, 9000, 9261, 9801, 10201, 11979

Offset: 1

Author

Giovanni Resta, Jan 31 2006

Keywords

• nonn
• base

Examples

			3267=3^3*11^2 is powerful and 7623=77*99.
		

Links

• Index entries for sequences related to powerful numbers

Crossrefs

Cf. A001694, A115683.