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A137521
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Prime numbers concatenated with 45.
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1
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245, 345, 545, 745, 1145, 1345, 1745, 1945, 2345, 2945, 3145, 3745, 4145, 4345, 4745, 5345, 5945, 6145, 6745, 7145, 7345, 7945, 8345, 8945, 9745, 10145, 10345, 10745, 10945, 11345
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listen;
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internal format)
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OFFSET
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1,1
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LINKS
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FORMULA
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a(n) = prime(n) concatenated with 45
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PROG
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CROSSREFS
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KEYWORD
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base,easy,nonn,less
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AUTHOR
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STATUS
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approved
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