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A032331
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"CHJ" (necklace, identity, labeled) transform of 1,2,3,4...
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0
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1, 2, 9, 46, 385, 3216, 37429, 451396, 6569553, 103389580, 1854784261, 35697296064, 762180320785, 17415193181946, 431287810513785, 11393904725151736, 321968806408512385, 9643386251348250588
(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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nonn
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AUTHOR
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STATUS
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approved
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