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A052338
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a(n) = A050443(n-th prime)/(n-th prime).
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3
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0, 1, 0, 1, 1, 1, 2, 2, 4, 11, 16, 43, 87, 123, 250, 736, 2189, 3152, 9501, 19909, 28861, 88250, 186540, 575703, 2605063, 5556059, 8118935, 17356074, 25389718, 54388168, 789812633, 1700415401, 5380882786, 7903301746, 54185536387, 79678647536, 253610377475
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,7
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LINKS
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Seiichi Manyama, Table of n, a(n) for n = 1..1000
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PROG
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(PARI) a(n) = my(p = prime(n)); polcoef((4-x^3)/(1-x^3-x^4) + O(x^(p+1)), p)/p; \\ Michel Marcus, Mar 04 2019
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CROSSREFS
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Cf. A000040, A001608, A050443.
Sequence in context: A280673 A280531 A072074 * A153950 A153947 A298778
Adjacent sequences: A052335 A052336 A052337 * A052339 A052340 A052341
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KEYWORD
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easy,nonn
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AUTHOR
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Christian G. Bower, Dec 23 1999
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EXTENSIONS
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Corrected by Seiichi Manyama, Mar 04 2019
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STATUS
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approved
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