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Search: id:A066591
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| A066591 |
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Primes which can be expressed as a concatenation of squares. |
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+0
5
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| 11, 19, 41, 101, 109, 149, 181, 191, 199, 251, 401, 409, 419, 449, 491, 499, 641, 811, 911, 919, 941, 991, 1009, 1019, 1049, 1091, 1109, 1181, 1259, 1289, 1361, 1409, 1481, 1499, 1601, 1609, 1619, 1699, 1811, 1901, 1949, 1999, 2251, 2549, 2591, 3691
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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96181 is a term as it is a concatenation of 961 and 81 both of which are squares. 100169 is a term as it is a concatenation of 100 and 169 in one way and also that of 1, 0, 0, 16 and 9 in another way.
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CROSSREFS
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Sequence in context: A140506 A165944 A100557 this_sequence A061246 A068493 A167535
Adjacent sequences: A066588 A066589 A066590 this_sequence A066592 A066593 A066594
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KEYWORD
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base,easy,nonn
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Dec 21 2001
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EXTENSIONS
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Corrected and extended by Christopher Lund (clund(AT)san.rr.com), Apr 11 2002
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