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 A096836 Number of primes in the neighborhood of 10^n with radius ceiling(log(10^n)). 0
 3, 3, 1, 2, 3, 1, 1, 2, 3, 1, 3, 1, 1, 3, 1, 0, 7, 5, 1, 3, 0, 2, 2, 2, 1, 0, 0, 0, 2, 3, 3, 2, 4, 0, 2, 1, 3, 1, 5, 2, 0, 2, 4, 4, 2, 1, 3, 3, 3, 1, 0, 0, 0, 1, 2, 2, 1, 0, 1, 4, 4, 1, 2, 5, 2, 1, 4, 2, 3, 3, 2, 3, 3, 2, 1, 1, 2, 3, 1, 4, 4, 0, 4, 0, 2, 2, 0, 2, 3, 2, 6, 0, 3, 4, 4, 1, 1, 4, 0, 0, 4, 3, 3, 0, 3 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..105. FORMULA a(n) equals almost A096509(10^n) >= a(n) because here only primes are counted, the true prime powers not. EXAMPLE a(5)=3 and the 3 primes in [99988,100012] are {99989,99991,100003}. CROSSREFS Cf. A096509-A096523, A096830-A096840. Sequence in context: A107292 A225331 A004550 * A360530 A096995 A255941 Adjacent sequences: A096833 A096834 A096835 * A096837 A096838 A096839 KEYWORD nonn AUTHOR Labos Elemer, Jul 14 2004 STATUS approved

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Last modified June 4 03:55 EDT 2023. Contains 363118 sequences. (Running on oeis4.)