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A177946 a(n) = prime(n)! / n!. 3

%I #8 Sep 08 2015 10:14:03

%S 2,3,20,210,332640,8648640,70572902400,3016991577600,

%T 71241227785728000,2436552577639909048320000,

%U 205999445200465037721600000,28734252852655074735274328064000000,5372155913332392772506888374845440000000

%N a(n) = prime(n)! / n!.

%H <a href="/index/Fa#factorial">Index entries for sequences related to factorial numbers</a>.

%F a(n) = A039716(n)/A000142(n).

%o (PARI) a(n) = prime(n)! / n!; \\ _Michel Marcus_, Sep 08 2015

%Y Cf. A000142, A039716, A157132.

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, May 15 2010

%E More terms from _Michel Marcus_, Sep 08 2015

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)