login
a(n) = floor(n*phi^15), where phi is the golden ratio, A001622.
20

%I #12 Sep 06 2023 01:32:32

%S 0,1364,2728,4092,5456,6820,8184,9548,10912,12276,13640,15004,16368,

%T 17732,19096,20460,21824,23188,24552,25916,27280,28644,30008,31372,

%U 32736,34100,35464,36828,38192

%N a(n) = floor(n*phi^15), where phi is the golden ratio, A001622.

%H G. C. Greubel, <a href="/A004930/b004930.txt">Table of n, a(n) for n = 0..10000</a>

%H Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/NonRecursions.html">Non Recursions</a>

%t Floor[GoldenRatio^(15)*Range[0, 60]] (* _G. C. Greubel_, Sep 05 2023 *)

%o (Magma) [Floor((682+305*Sqrt(5))*n): n in [0..60]]; // _G. C. Greubel_, Sep 05 2023

%o (SageMath) [floor(golden_ratio^(15)*n) for n in range(61)] # _G. C. Greubel_, Sep 05 2023

%Y Cf. A004919, A004920, A004921, A004922, A004923, A004924, A004925.

%Y Cf. A004926, A004927, A004928, A004929, A004931, A004932, A004933.

%Y Cf. A004934, A004935, A004976, A066096, A090909.

%Y Cf. A001622.

%K nonn

%O 0,2

%A _N. J. A. Sloane_