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A294196 Floor of log of product of all primes between n!+1 and (n+1)!. 2
2, 15, 87, 579, 4276, 35103, 322168, 3264471, 36285842, 439070392, 5747983086 (list; graph; refs; listen; history; text; internal format)
OFFSET
2,1
LINKS
EXAMPLE
a(4) = floor(log(7*11*13*17*19*23)) = floor(15.82) = 15.
MATHEMATICA
Table[Floor[Plus @@ Table[Log[Prime[i]*1.], {i, PrimePi[n!] + 1, PrimePi[(n + 1)!]}]], {n, 2, 11}]
CROSSREFS
Cf. A061232 (number of primes between n!+1 and (n+1)!).
Cf. A294194 (sum of primes between n!+1 and (n+1)!).
Cf. A294195 (product of primes between n!+1 and (n+1)!).
Sequence in context: A116079 A153445 A208974 * A275794 A037746 A037627
KEYWORD
nonn,more
AUTHOR
Olivier Gérard, Oct 29 2017
EXTENSIONS
a(12) from Daniel Suteu, Nov 15 2018
STATUS
approved

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Last modified June 14 11:35 EDT 2024. Contains 373397 sequences. (Running on oeis4.)