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A115443
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Numbers whose square is the concatenation of two numbers k and k-4.
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11
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81, 8157, 9801, 467347, 532654, 998001, 76450589, 99980001, 7801738415, 8593817623, 9208120793, 9999800001, 346667333467, 401461854015, 598538145986, 653332666534, 945207479453, 999998000001, 48349470735060
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OFFSET
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1,1
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LINKS
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EXAMPLE
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9605_9601 = 9801^2.
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CROSSREFS
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Cf. A030467, A106497, A115432, A115427, A115438, A115439, A115440, A115441, A115442, A115444, A115445, A115446, A115447.
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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