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 A147814 Number of bits in Elias omega coded prime numbers. 2
 4, 4, 7, 7, 8, 8, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS a(n) increases very slowly, gradually diverging from 3 + floor(log2 n). LINKS Indranil Ghosh, Table of n, a(n) for n = 1..10000 FORMULA a(n) = 2 + sigma(i in [0, k]: d(i)), where: d(0) = bits(p_n) d(x) = bits(d(x - 1) - 1) ... d(k) = 2, and bits(p_n) = 1 + floor(log2 A000040(n)) is the number of bits in the binary representation of prime number n. CROSSREFS Cf. A000040, A147764 Sequence in context: A023404 A140245 A200364 * A168233 A238391 A049647 Adjacent sequences:  A147811 A147812 A147813 * A147815 A147816 A147817 KEYWORD base,easy,nonn AUTHOR Reikku Kulon, Nov 13 2008 STATUS approved

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Last modified October 1 00:23 EDT 2020. Contains 337440 sequences. (Running on oeis4.)