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 A004938 #23 Oct 18 2023 10:03:03 %S A004938 0,4,8,13,17,21,25,30,34,38,42,47,51,55,59,64,68,72,76,80,85,89,93,97, %T A004938 102,106,110,114,119,123,127,131,136,140,144,148,152,157,161,165,169, %U A004938 174,178,182,186,191,195,199 %N A004938 a(n) = round(n*phi^3), where phi is the golden ratio, A001622. %C A004938 Nearest integer to n*phi^3. %H A004938 G. C. Greubel, <a href="/A004938/b004938.txt">Table of n, a(n) for n = 0..10000</a> %t A004938 Round[GoldenRatio^3*Range[0, 80]] (* _G. C. Greubel_, Oct 17 2023 *) %o A004938 (PARI) a(n) = round(n*(((sqrt(5)+1))/2)^3); \\ _Michel Marcus_, Aug 28 2016 %o A004938 (Magma) [Round((2+Sqrt(5))*n): n in [0..80]]; // _G. C. Greubel_, Oct 17 2023 %o A004938 (SageMath) [round(golden_ratio^3*n) for n in range(81)] # _G. C. Greubel_, Oct 17 2023 %Y A004938 Cf. A004937, A004939 - A004955. %Y A004938 Cf. A001622. %K A004938 nonn %O A004938 0,2 %A A004938 _N. J. A. Sloane_