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Search: id:A093618
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A093618 Numbers n such that for all k less than n the number of divisors of k*n and n^2 are different. +0
3
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74 (list; graph; listen)
OFFSET

1,2

COMMENT

A093616(a(n)) = n; complement of A093617.

CROSSREFS

Cf. A000005, A000290, A048691.

Sequence in context: A080681 A076084 A151764 this_sequence A109427 A098451 A164710

Adjacent sequences: A093615 A093616 A093617 this_sequence A093619 A093620 A093621

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 06 2004

EXTENSIONS

Corrected by Franklin T. Adams-Watters (FrankTAW(AT)Netscape.net), Dec 19 2006

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Last modified November 25 13:42 EST 2009. Contains 167481 sequences.


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