This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A004941 #19 Jan 23 2024 02:21:01 %S A004941 0,18,36,54,72,90,108,126,144,161,179,197,215,233,251,269,287,305,323, %T A004941 341,359,377,395,413,431,449,467,484,502,520,538,556,574,592,610,628, %U A004941 646,664,682,700,718,736,754,772 %N A004941 a(n) = round(n*phi^6), where phi is the golden ratio, A001622. %H A004941 G. C. Greubel, <a href="/A004941/b004941.txt">Table of n, a(n) for n = 0..10000</a> %t A004941 Round[Range[0,50]GoldenRatio^6] (* _Harvey P. Dale_, Jul 21 2020 *) %o A004941 (Magma) [Round(n*(9+4*Sqrt(5))): n in [0..80]]; // _G. C. Greubel_, Jan 23 2024 %o A004941 (SageMath) [round(golden_ratio^6*n) for n in range(81)] # _G. C. Greubel_, Jan 23 2024 %Y A004941 Cf. A001622, A004939, A004940, A004942, A004943. %K A004941 nonn %O A004941 0,2 %A A004941 _N. J. A. Sloane_