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A306630
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a(n) = [x^n] 1/(Sum_{k=0..n} (k!)^n * x^k).
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2
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1, -1, -3, -201, -328975, -24866803361, -139308071489312831, -82606210548424879390169217, -6984963414431972003347406551951687935, -109110687852301656115645192848607902864427297823233
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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LINKS
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CROSSREFS
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KEYWORD
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sign
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AUTHOR
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_Seiichi Manyama_, Mar 02 2019
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STATUS
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approved
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