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Number of 8k+-1 primes (A001132) in range [2^n,2^(n+1)].
4

%I #14 Jun 12 2024 03:49:56

%S 0,1,0,3,2,8,10,22,35,67,126,233,438,793,1525,2825,5391,10192,19332,

%T 36739,70163,133983,256877,492962,946938,1822776,3513544,6780795,

%U 13102754,25349101,49090527,95168113,184659769,358635803,697092152,1356042601,2639892053,5142809798

%N Number of 8k+-1 primes (A001132) in range [2^n,2^(n+1)].

%H Antti Karttunen and John Moyer, <a href="/A095062/a095062.c.txt">C-program for computing the initial terms of this sequence</a>.

%H <a href="/index/Pri#primesubsetpop2">Index entries for sequences related to occurrences of various subsets of primes in range ]2^n,2^(n+1)]</a>.

%F a(n) = A036378(n) - A095014(n) = A095009(n) + A095012(n).

%Y Cf. A001132, A036378, A095009, A095012, A095014.

%K nonn

%O 1,4

%A _Antti Karttunen_ and _Labos Elemer_, Jun 01 2004

%E a(34)-a(38) from _Amiram Eldar_, Jun 12 2024