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A214925
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Number of primes <= A214757(n)
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4
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5, 5, 5, 10, 25, 31, 104, 159, 190, 219, 1186, 1832, 2227, 3388, 14358, 30804, 31547, 40935, 103522, 104072, 149690, 325853, 1094426, 1319950, 2850175, 6957880, 10539433, 10655464
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..28.
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FORMULA
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a(n) = pi(A214757(n)) = A000217(A214757(n)).
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EXAMPLE
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A214757(4) = 29, so a(4) = primepi(A214757(4)) = primepi(29) = 10.
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CROSSREFS
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Cf. A000101, A104272, A214756, A001223.
Cf. A002386, A214924, A214926, A214757.
Sequence in context: A299695 A135089 A127310 * A101597 A119991 A262947
Adjacent sequences: A214922 A214923 A214924 * A214926 A214927 A214928
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KEYWORD
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nonn
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AUTHOR
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John W. Nicholson, Aug 06 2012
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EXTENSIONS
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Extension to a(28) added by John W. Nicholson, Nov 11 2013
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STATUS
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approved
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