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A115686 Powerful(1) numbers (A001694) whose digit reversal is a prime number. 1
16, 32, 125, 128, 196, 200, 361, 392, 500, 784, 1024, 1352, 1369, 1372, 1444, 1600, 1681, 2000, 3200, 3844, 5000, 7225, 7688, 7921, 9025, 9248, 9409, 9800, 10976, 11236, 12500, 12800, 13448, 14161, 14792, 16000, 18496, 19321, 19600, 20000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..40.

Index entries for sequences related to powerful numbers

EXAMPLE

7688=2^3*31^2 is powerful and 8867 is prime.

CROSSREFS

Cf. A001694.

Sequence in context: A045071 A007824 A235056 * A088112 A272697 A232510

Adjacent sequences:  A115683 A115684 A115685 * A115687 A115688 A115689

KEYWORD

nonn,base

AUTHOR

Giovanni Resta, Jan 31 2006

STATUS

approved

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Last modified December 8 20:44 EST 2016. Contains 278950 sequences.