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A124649 Numbers n such that n^i (i=1..8) are all zeroless. +0
1
1, 2, 3, 6, 68 (list; graph; listen)
OFFSET

1,2

COMMENT

No other terms < 10^6. Is the sequence finite?

EXAMPLE

68^i (i=1..8)= 68, 4624, 314432, 21381376, 1453933568, 98867482624, 6722988818432, 457163239653376 all zeroless

CROSSREFS

Cf. A104264.

Sequence in context: A018415 A137073 A018434 this_sequence A018448 A018456 A018474

Adjacent sequences: A124646 A124647 A124648 this_sequence A124650 A124651 A124652

KEYWORD

nonn,base

AUTHOR

Zak Seidov (zakseidov(AT)gmail.com), Dec 22 2006

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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