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A065788
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a(1) = 64; for n > 1 a(n) is the smallest square > a(n-1) with a(n-1) forming its final digits.
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3
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OFFSET
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1,1
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COMMENTS
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LINKS
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MATHEMATICA
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nxt[n_]:=Module[{k=1}, While[!IntegerQ[Sqrt[k*10^IntegerLength[n]+n]], k++]; k*10^IntegerLength[n]+n]; NestList[nxt, 64, 6] (* Harvey P. Dale, Dec 14 2019 *)
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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