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 A096835 Number of primes in the neighborhood of 3^n with radius Ceiling[Log[3^n]]. 0
 3, 2, 3, 2, 2, 2, 1, 3, 2, 2, 0, 0, 1, 3, 3, 0, 2, 2, 2, 3, 2, 4, 1, 3, 3, 2, 3, 2, 1, 2, 2, 1, 0, 1, 2, 5, 2, 3, 0, 2, 4, 1, 0, 3, 3, 2, 2, 1, 3, 3, 2, 1, 2, 3, 2, 2, 5, 0, 3, 2, 2, 3, 4, 0, 1, 3, 0, 1, 4, 0, 2, 1, 1, 2, 3, 2, 3, 1, 2, 3, 3, 0, 0, 1, 2, 2, 2, 2, 2, 2, 5, 3, 0, 1, 6, 1, 4, 5, 1, 2, 3, 2, 1, 1, 2 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS FORMULA a[n] equals almost A096509(3^n)>=a(n) because here only primes are counted, the true prime powers not. CROSSREFS Cf. A096509-A096523, A096830-A096840. Sequence in context: A096839 A099891 A241173 * A237838 A262880 A249355 Adjacent sequences:  A096832 A096833 A096834 * A096836 A096837 A096838 KEYWORD nonn AUTHOR Labos Elemer, Jul 14 2004 STATUS approved

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Last modified October 23 12:54 EDT 2019. Contains 328345 sequences. (Running on oeis4.)