A095333 Number of A095313-primes in range [2^n,2^(n+1)].

1, 2, 2, 5, 7, 12, 23, 39, 72, 122, 246, 417, 799, 1376, 2779, 4846, 9569, 17092, 34351, 60653, 121738, 216916, 440337, 786408, 1601964, 2876617, 5895645, 10583728, 21674188, 39107151, 80559309, 145468029, 299785833

Offset: 1

Author

Antti Karttunen, Jun 04 2004

Keywords

• nonn

Comments

Ratios a(n)/A036378(n) converge as: 1, 1, 1, 1, 1, 0.923077, 1, 0.906977, 0.96, 0.890511, 0.964706, 0.898707, 0.916284, 0.853598, 0.917162, 0.848835, 0.890222, 0.838254, 0.889116, 0.824246, 0.867475, 0.808736, 0.857174, 0.797721, 0.845756, 0.789034, 0.838964, 0.780401, 0.827029, 0.771382, 0.820504, 0.764271, 0.811717

Ratios a(n)/A095330(n) converge as: 1, 1, 1, 1, 1, 0.923077, 1, 0.928571, 1.014085, 1, 1.020747, 1.012136, 1.012674, 0.973815, 1.003249, 0.997325, 1.002514, 1.00808, 1.009166, 1.002794,1.004099, 1.000397, 0.997992, 1.000665, 1.002604, 1.003022, 1.003571,1.00371, 1.001761, 1.001864, 1.001805, 1.001771, 1.001674

Links

• A. Karttunen and J. Moyer: C-program for computing the initial terms of this sequence
• Index entries for sequences related to occurrences of various subsets of primes in range ]2^n,2^(n+1)]

Crossrefs

a(n) = A036378(n)-A095332(n).