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A034103
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Fractional part of square root of a(n) starts with digit 7.
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1
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3, 14, 23, 33, 45, 46, 60, 76, 77, 95, 96, 115, 116, 137, 138, 139, 162, 163, 188, 189, 190, 217, 218, 219, 247, 248, 249, 279, 280, 281, 282, 314, 315, 316, 350, 351, 352, 353, 389, 390, 391, 392, 429, 430, 431, 432, 471, 472, 473, 474, 475, 516, 517, 518
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OFFSET
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1,1
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LINKS
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PROG
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(PARI) for(k=1, 520, my(s=sqrt(k), d=floor(10*(s-floor(s)))); if(d==7, print1(k, ", "))) \\ Hugo Pfoertner, Aug 05 2020
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CROSSREFS
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KEYWORD
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nonn,easy,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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