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A242212
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a(1) = 4. a(n) = A222209(a(n-1)).
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0
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4, 5, 7, 11, 19, 37, 71, 151, 379, 1051, 3307, 11483, 44453
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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Question: what is the smallest composite number > 4 in this sequence?
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LINKS
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CROSSREFS
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KEYWORD
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more,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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