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A068493
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Primes which are concatenations of squares.
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0
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11, 19, 41, 149, 181, 191, 199, 419, 449, 491, 499, 911, 919, 941, 991, 1181, 1259, 1289, 1361, 1481, 1499, 1811, 1949, 1999, 4111, 4259, 4289, 4441, 4481, 4649, 4729, 4919, 4999, 9161, 9181, 9199, 9419, 9491, 9649, 9811, 9941, 9949, 11119, 11149
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 149 is a term of the sequence since it is the concatenation of squares 1, 4, 9.
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CROSSREFS
| Sequence in context: A100557 A066591 A061246 * A167535 A201719 A107201
Adjacent sequences: A068490 A068491 A068492 * A068494 A068495 A068496
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KEYWORD
| base,nonn
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AUTHOR
| Joseph L. Pe (joseph_l_pe(AT)hotmail.com), Mar 11 2002
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EXTENSIONS
| Corrected and extended by Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 26 2002
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