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Search: id:A115443
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| A115443 |
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Numbers n such that the square of n is the concatenation of two numbers k and k-4. |
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+0
12
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| 81, 8157, 9801, 467347, 532654, 998001, 76450589, 99980001, 7801738415, 8593817623, 9208120793, 9999800001, 346667333467, 401461854015, 598538145986, 653332666534, 945207479453, 999998000001, 48349470735060
(list; graph; listen)
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OFFSET
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1,1
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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.
Adjacent sequences: A115440 A115441 A115442 this_sequence A115444 A115445 A115446
Sequence in context: A036515 A046172 A123847 this_sequence A034993 A093281 A059988
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KEYWORD
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base,nonn
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AUTHOR
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Giovanni Resta (g.resta(AT)iit.cnr.it), Jan 25 2006
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