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A225322 Lucky numbers that are prime powers. 1
1, 9, 25, 49, 169, 289, 361, 529, 729, 841, 961, 1369, 2187, 2209, 3481, 3721, 5041, 7921, 9409, 10609, 24649, 29791, 32041, 32761, 36481, 50653, 52441, 66049, 73441, 83521, 113569, 121801, 128881, 130321, 167281, 175561, 185761, 226981, 292681, 300763, 323761 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Intersection of A025475 and A000959.

Conjecture: the sequence is infinite.

LINKS

Donovan Johnson, Table of n, a(n) for n = 1..628 (terms < 10^9)

CROSSREFS

Cf. A000959, A025475.

Cf. A031157, A031162, A057589, A118565, A128511.

Sequence in context: A297596 A266132 A112629 * A031162 A147160 A239745

Adjacent sequences:  A225319 A225320 A225321 * A225323 A225324 A225325

KEYWORD

nonn

AUTHOR

Alex Ratushnyak, May 05 2013

STATUS

approved

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Last modified November 14 15:00 EST 2019. Contains 329126 sequences. (Running on oeis4.)