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A214083 a(n) = floor(n!^(1/3)). 6

%I #24 Jan 20 2024 11:29:06

%S 1,1,1,1,2,4,8,17,34,71,153,341,782,1839,4434,10935,27555,70852,

%T 185686,495486,1344956,3710632,10397338,29568648,85290741,249391641,

%U 738821756,2216465268,6730493989,20678209929,64252006059,201840008711,640802084315

%N a(n) = floor(n!^(1/3)).

%H Vincenzo Librandi, <a href="/A214083/b214083.txt">Table of n, a(n) for n = 0..1000</a>

%t Table[Floor[n!^(1/3)], {n, 0, 60}] (* _Vincenzo Librandi_, Feb 08 2013 *)

%o (Derive) PROG(y := [], n := 35, LOOP(IF(n = -1, RETURN y), y := ADJOIN(FLOOR(n!^(1/3)), y), n := n - 1))

%o (Magma) [Floor(Factorial(n)^(1/3)): n in [0..40]]; // _Vincenzo Librandi_, Feb 08 2013

%o (PARI) a(n) = sqrtnint(n!,3); \\ _Michel Marcus_, Jan 11 2016

%Y Cf. A214078, A214079, A214080, A214081, A214083, A055228, A055226.

%K easy,nonn

%O 0,5

%A _Mohammad K. Azarian_, Dec 22 2012

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Last modified April 25 16:38 EDT 2024. Contains 371989 sequences. (Running on oeis4.)