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A085272 a(n) = lcm_{k=1..n} (prime(k) + 1). 1
3, 12, 12, 24, 24, 168, 504, 2520, 2520, 2520, 10080, 191520, 191520, 2106720, 2106720, 6320160, 6320160, 195924960, 3330724320, 3330724320, 123236799840, 123236799840, 123236799840, 123236799840, 862657598880, 862657598880 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
a(6) = lcm(2+1, 3+1, 5+1, 7+1, 11+1, 13+1} = lcm(3, 2^2, 2*3, 2^3, 3*2^2, 2*7) = 7*3*2^3 = 168.
PROG
(PARI) a(n) = lcm(vector(n, k, prime(k)+1)); \\ Michel Marcus, Mar 15 2018
CROSSREFS
Sequence in context: A279305 A217785 A168410 * A183508 A070732 A197208
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Aug 12 2003
STATUS
approved

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Last modified April 14 17:14 EDT 2024. Contains 371666 sequences. (Running on oeis4.)