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A068176
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a(1) = 2; for n>1, a(n) is the smallest square > a(n-1) obtained by inserting digits into a(n-1).
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5
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2, 25, 225, 1225, 13225, 133225, 10336225, 1033622500, 103362250000, 10336225000000, 1033622500000000, 103362250000000000, 10336225000000000000, 1033622500000000000000, 103362250000000000000000
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OFFSET
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1,1
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LINKS
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EXAMPLE
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a(2) = 25. hence a(3) = 225 the smallest square formed from 25.
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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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EXTENSIONS
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STATUS
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approved
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