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A035074
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a(n) is root of square starting with digit 7: first term of runs.
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2
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27, 84, 265, 837, 2646, 8367, 26458, 83667, 264576, 836661, 2645752, 8366601, 26457514, 83666003, 264575132, 836660027, 2645751312, 8366600266, 26457513111, 83666002654, 264575131107, 836660026535, 2645751311065
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OFFSET
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2,1
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LINKS
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FORMULA
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a(n) = ceiling(sqrt(7*10^n)), n > 1.
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MATHEMATICA
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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