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

1,1

Links

Table of n, a(n) for n=1..44.

Index entries for sequences related to powerful numbers

Example

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

Crossrefs

Cf. A001694, A115683.

Sequence in context: A182046 A171468 A114377 * A075783 A098121 A115656

Adjacent sequences: A115694 A115695 A115696 * A115698 A115699 A115700

Keyword

nonn,base

Author

Giovanni Resta, Jan 31 2006

Status

approved