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A066623
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Concatenation of squares in increasing order up to the n-th and then in decreasing order.
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0
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1, 141, 14941, 14916941, 149162516941, 1491625362516941, 14916253649362516941, 149162536496449362516941, 1491625364964816449362516941, 149162536496481100816449362516941
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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LINKS
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CROSSREFS
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KEYWORD
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easy,nonn,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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