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A061274 Number of primes between Pi^(n-1) and Pi^n. 2
2, 2, 7, 14, 37, 100, 271, 742, 2054, 5813, 16507, 47501, 137306, 399685, 1169789, 3438915, 10153559, 30083443, 89426830, 266598341, 796863253, 2387439540, 7168302094, 21565117858, 64993345011, 196202749033, 593205591259 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
a(1) = 2 as 2 and 3 are the two primes between 1 and Pi. a(4) = 14 as there are 14 primes between (pi)^3 =31.006... and (pi)^4 =97.409091...
MAPLE
See A061273.
MATHEMATICA
p = q = 0; Do[m = n; q = PrimePi[Pi^n]; Print[q - p]; p = q, {n, 1, 28}]
Differences[PrimePi[Pi^Range[0, 27]]] (* Harvey P. Dale, Aug 17 2016 *)
CROSSREFS
Sequence in context: A298959 A162460 A187306 * A061575 A306009 A290646
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Apr 25 2001
EXTENSIONS
More terms from Winston C. Yang (winston(AT)cs.wisc.edu), May 17 2001
Edited and extended by Robert G. Wilson v, Jun 18 2002
STATUS
approved

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Last modified March 5 03:04 EST 2024. Contains 370537 sequences. (Running on oeis4.)