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Search: id:A115445
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| A115445 |
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Numbers n such that the square of n is the concatenation of two numbers k and k-7. |
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+0
12
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| 9, 13, 3656545, 4565636, 5434365, 6343456, 3646962589704198389, 6353037410295801612, 9101508044249652935, 7903999111431765764698711045778, 9722180929613583946516892863960
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OFFSET
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1,1
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EXAMPLE
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4023943_4023936 = 6343456^2.
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CROSSREFS
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Cf. A030467, A106497, A115434, A115427, A115438, A115439, A115440, A115441, A115442, A115443, A115444, A115446, A115447.
Sequence in context: A108748 A116106 A123813 this_sequence A131602 A004474 A130703
Adjacent sequences: A115442 A115443 A115444 this_sequence A115446 A115447 A115448
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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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