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A303910 Largest positive integer m with pi(m*n) = m + n, where pi(x) denotes the number of primes not exceeding x. 0
41, 148, 409, 998, 2597, 6424, 15889, 39970, 100192, 251637, 637063, 1617110, 4124272, 10553278, 27066824, 69709557, 179992524, 465769748, 1208198402, 3140421406, 8179001739, 21338685037, 55762148901, 145935688930, 382465573384, 1003652346785, 2636913002779 (list; graph; refs; listen; history; text; internal format)
OFFSET

5,1

COMMENTS

a(n) >= A281197(n) >= A247600(n).

LINKS

Table of n, a(n) for n=5..31.

CROSSREFS

Cf. A247600, A281197.

Sequence in context: A044754 A254898 A217087 * A146330 A146350 A050954

Adjacent sequences:  A303907 A303908 A303909 * A303911 A303912 A303913

KEYWORD

nonn

AUTHOR

Chai Wah Wu, May 02 2018

STATUS

approved

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Last modified August 20 01:14 EDT 2019. Contains 326136 sequences. (Running on oeis4.)