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1, 6, 217, 13997, 1283817, 151778430, 21902350480, 3726598826676, 729894290301789, 161683308639785288, 39960246577221138239, 10900687898284398341055, 3253179971490906621196740, 1054372896576358319473872858, 368810384314446516250937494104
(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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a(n) ~ c * d^n * n! / sqrt(n), where d = 25.81959672662517201... and c = 0.28310309251343879... - Vaclav Kotesovec, Dec 01 2017
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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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