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A020940 Greatest k such that (k-th prime) < (10 times n-th prime). 8
8, 10, 15, 19, 29, 31, 39, 42, 50, 61, 63, 73, 80, 82, 91, 99, 107, 111, 121, 127, 129, 138, 145, 154, 163, 169, 172, 180, 181, 189, 205, 214, 219, 221, 237, 239, 247, 258, 263, 269, 278, 279, 292, 293, 297, 300, 317, 331, 337, 340, 344, 355, 357, 368, 375 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..55.

CROSSREFS

Sequence in context: A063190 A101763 A154568 * A242732 A058633 A165143

Adjacent sequences:  A020937 A020938 A020939 * A020941 A020942 A020943

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling

EXTENSIONS

More terms from James A. Sellers

STATUS

approved

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Last modified October 21 00:03 EDT 2014. Contains 248371 sequences.