A228176 - OEIS

%I #6 Sep 08 2022 08:46:05

%S 0,4,9,14,19,24,29,34,39,44,48,53,58,63,68,73,78,83,88,92,97,102,107,

%T 112,117,122,127,132,137,141,146,151,156,161,166,171,176,181,185,190,

%U 195,200,205,210,215,220,225,230,234,239,244,249,254,259,264,269,274

%N Floor(n*(sqrt(10)+sqrt(3))).

%C a(n) = integer part of n*4.894328468..., where the constant is the largest root of x^4 -26*x^2 +49.

%H Vincenzo Librandi, <a href="/A228176/b228176.txt">Table of n, a(n) for n = 0..1000</a>

%t With[{c = Sqrt[10] + Sqrt[3]}, Floor[c Range[0, 60]]]

%o (Magma) [Floor(n*(Sqrt(10)+Sqrt(3))): n in [0..60]];

%Y Cf. A110117, A172323 * A172332, A172334, A172336 * A172338.

%K nonn,easy

%O 0,2

%A _Vincenzo Librandi_, Aug 15 2013