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 A242766 a(n) = floor(sqrt(n!+1)). 1
 1, 1, 1, 2, 5, 11, 26, 71, 200, 602, 1904, 6317, 21886, 78911, 295259, 1143535, 4574143, 18859677, 80014834, 348776576, 1559776268, 7147792818, 33526120082, 160785623545, 787685471322, 3938427356614, 20082117944245, 104349745809073, 552166953567228 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS Vincenzo Librandi, Table of n, a(n) for n = 0..199 MATHEMATICA Table[Floor[Sqrt[n! + 1]], {n, 0, 30}] PROG (MAGMA) [Floor(Sqrt(Factorial(n)+1)): n in [0..30]]; (PARI) a(n)={sqrtint(n!+1)} \\ Andrew Howroyd, Jan 17 2018 CROSSREFS Cf. A163524. Sequence in context: A239311 A319760 A000664 * A182580 A067922 A212567 Adjacent sequences:  A242763 A242764 A242765 * A242767 A242768 A242769 KEYWORD nonn AUTHOR Vincenzo Librandi, May 29 2014 STATUS approved

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Last modified August 13 00:27 EDT 2020. Contains 336441 sequences. (Running on oeis4.)