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A020901 Greatest k such that k-th prime < 3 times n-th prime. +0
8
3, 4, 6, 8, 11, 12, 15, 16, 19, 23, 24, 29, 30, 31, 34, 37, 40, 42, 46, 47, 47, 51, 53, 56, 61, 62, 63, 66, 66, 68, 75, 77, 80, 80, 86, 87, 91, 93, 95, 97, 99, 100, 105, 106, 107, 108, 115, 121, 123, 124, 125, 127, 128, 133, 136, 138, 139, 141, 145 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A080728 A047414 A109402 this_sequence A057057 A030761 A030711

Adjacent sequences: A020898 A020899 A020900 this_sequence A020902 A020903 A020904

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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