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A262585
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a(0)=0; thereafter a(n) = A002705(n) - 2.
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1
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0, 2, 38, 466, 5826, 76258, 1032442, 14316582, 202116106, 2893451650, 41886157562, 611902123282, 9007199254738, 133439988963010, 1987795697598010, 29752813022112178, 447193795726343002, 6746237832670921766, 102105221251235572186
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listen;
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OFFSET
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0,2
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LINKS
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CROSSREFS
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KEYWORD
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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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