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Search: id:A115440
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| A115440 |
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Numbers n such that the square of n is the concatenation of two numbers k and k+8. |
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+0
12
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| 7747, 8021, 33294318, 66705683, 98000201, 340465755425, 476452552745, 523547447256, 659534244576, 866013200681, 998000002001, 3695104677080134, 3755782995538768, 4198081170077531, 4803478892324966, 5196521107675035
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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6001_6009 = 7747^2.
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CROSSREFS
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Cf. A030467, A106497, A115429, A115427, A115438, A115439, A115441, A115442, A115443, A115444, A115445, A115446, A115447.
Sequence in context: A031676 A031586 A116335 this_sequence A028538 A123990 A064782
Adjacent sequences: A115437 A115438 A115439 this_sequence A115441 A115442 A115443
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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 24 2006
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