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Search: id:A052066
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A052066 Palfree squares whose root is the smallest possible greater than 10^n (palfree = contains no palindromic substring except single digits). +0
2
169, 10816, 1028196, 102475129, 10210496209, 1021021327936, 102102415721476, 10210210652174569, 1021021026820134201, 102102102318249314064, 10210210230410293217569 (list; graph; listen)
OFFSET

1,1

COMMENT

Probably finite.

LINKS

Keith Schneider, Table of n, a(n) for n = 1..25

Keith Schneider, Mathematica code for A052025-A052028

CROSSREFS

Cf. A052065, A052061, A052062.

Sequence in context: A133583 A012170 A163023 this_sequence A069297 A051477 A006051

Adjacent sequences: A052063 A052064 A052065 this_sequence A052067 A052068 A052069

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Jan 15 2000.

EXTENSIONS

More terms from Keith Schneider (schneidk(AT)email.unc.edu), May 23 2007

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


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