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1, 2, 6, 11, 23, 44, 85, 163, 311, 594, 1132, 2158, 4112, 7835, 14928, 28441, 54186, 103234, 196679, 374707, 713880, 1360061, 2591143, 4936559, 9404966, 17918024, 34136814, 65036304, 123904967, 236059552, 449732673, 856815474, 1632375854
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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FORMULA
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EXAMPLE
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1=1, 1+1=2, 1+3+2=6; 1+5+4+1=11
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CROSSREFS
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KEYWORD
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easy,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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