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A115427
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Numbers n such that the square of n is the concatenation of two numbers k and k+2.
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11
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8874, 9011, 83352842, 99000101, 329767122288, 670232877713, 738226276373, 933006600341, 999000001001, 3779410975143115, 3872816717528067, 4250291784692550, 4278630943941867, 4372036686326819, 4749511753491302
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| 9011^2 = 8119_8121.
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CROSSREFS
| Cf. A030467, A106497, A115426, A115438, A115439, A115440, A115441, A115442, A115443, A115444, A115445, A115446, A115447.
Sequence in context: A116242 A116275 A116295 * A167290 A043524 A134975
Adjacent sequences: A115424 A115425 A115426 * A115428 A115429 A115430
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KEYWORD
| base,nonn
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AUTHOR
| Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 24 2006
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