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A294196 Floor of log of product of all primes between n!+1 and (n+1)!. 2

%I #10 Nov 15 2018 15:12:45

%S 2,15,87,579,4276,35103,322168,3264471,36285842,439070392,5747983086

%N Floor of log of product of all primes between n!+1 and (n+1)!.

%e a(4) = floor(log(7*11*13*17*19*23)) = floor(15.82) = 15.

%t Table[Floor[Plus @@ Table[Log[Prime[i]*1.], {i, PrimePi[n!] + 1, PrimePi[(n + 1)!]}]], {n, 2, 11}]

%Y Cf. A061232 (number of primes between n!+1 and (n+1)!).

%Y Cf. A294194 (sum of primes between n!+1 and (n+1)!).

%Y Cf. A294195 (product of primes between n!+1 and (n+1)!).

%K nonn,more

%O 2,1

%A _Olivier GĂ©rard_, Oct 29 2017

%E a(12) from _Daniel Suteu_, Nov 15 2018

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Last modified July 19 16:24 EDT 2024. Contains 374410 sequences. (Running on oeis4.)