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A115397
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Erroneous version of A218656.
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0
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1, 2, 3, 2, 3, 3, 1, 5, 4, 4, 4, 5, 4, 7, 6, 5, 2, 9, 2, 5, 5, 2, 4, 2, 3, 2
(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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EXAMPLE
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n=6: 2*6+1 = 13 = 2+11 = 5+8 = 6+7 and
prime(1717)=14657, prime(636)=4721, prime(516)=3697,
a(6) = #{14657=2^4+11^4, 4721=5^4+8^4, 3697=6^4+7^4} = 3.
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CROSSREFS
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KEYWORD
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dead
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AUTHOR
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STATUS
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approved
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