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A293697 a(n) is the sum of prime numbers between 2^n+1 and 2^(n+1). 3

%I #6 Oct 24 2017 06:43:36

%S 2,3,12,24,119,341,1219,4361,16467,57641,208987,780915,2838550,

%T 10676000,39472122,148231324,559305605,2106222351,7995067942,

%U 30299372141,115430379568,440354051430,1683364991290,6448757014608,24754017328490

%N a(n) is the sum of prime numbers between 2^n+1 and 2^(n+1).

%t Table[Plus @@

%t Table[Prime[i], {i, PrimePi[2^(n)] + 1, PrimePi[2^(n + 1)]}], {n, 0,

%t 24}]

%Y Cf. A036378 (number of primes summed).

%Y Cf. A293696 (triangle of partial sums).

%K nonn

%O 0,1

%A _Olivier GĂ©rard_, Oct 15 2017

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Last modified April 25 03:15 EDT 2024. Contains 371964 sequences. (Running on oeis4.)