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Search: id:A089232
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A089232 Numbers of the form (p1^(p1^2))(p2^(p2^2))...(pk^(pk^2)) where p1,p2,..,pk are distinct primes. (In other words: in the prime factorization of n, the exponent of p is either 0 or p^2 for all prime p). +0
1
16, 19683, 314928, 298023223876953125, 4768371582031250000, 5865991115570068359375, 93855857849121093750000, 256923577521058878088611477224235621321607 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A013831 A159387 A098175 this_sequence A002489 A060205 A140597

Adjacent sequences: A089229 A089230 A089231 this_sequence A089233 A089234 A089235

KEYWORD

easy,nonn

AUTHOR

Sam Alexander (amnalexander(AT)yahoo.com), Dec 11 2003

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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