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A052338 a(n) = A050443(n-th prime)/(n-th prime). 3
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)
OFFSET
1,7
LINKS
PROG
(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
CROSSREFS
Sequence in context: A363385 A280531 A072074 * A153950 A153947 A298778
KEYWORD
easy,nonn
AUTHOR
Christian G. Bower, Dec 23 1999
EXTENSIONS
Corrected by Seiichi Manyama, Mar 04 2019
STATUS
approved

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)