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 A382626 #10 Apr 02 2025 09:29:34 %S A382626 5,1,8,7,9,0,0,6,3,6,7,5,8,8,4,2,2,1,9,0,7,4,5,3,8,9,4,4,3,5,2,7,9,9, %T A382626 9,8,8,6,2,1,2,7,8,0,9,0,4,6,8,5,4,7,1,2,2,4,4,0,9,1,6,1,9,8,4,8,1,3, %U A382626 1,9,5,4,5,4,2,2,3,3,0,9,7,2,6,3,5,3,7,4,8,1,6,3,2,1,3,6,0,3,9,9,3,1,7,4,2,3,1,9,7,9,2,0,6 %N A382626 Decimal expansion of the smallest (in absolute value) root of 1-x-x^2-x^3-x^4. %C A382626 The base of the asymptotic growth derived from Binet's formula for 4-nacci sequences. %C A382626 The 4 roots are -1.2906..., -0.11407..+-1.2167..*i, and this. %F A382626 Equals 1/A086088. %e A382626 0.51879006367588422190745389443... %Y A382626 Cf. A086088, A001622 (Fibonacci), A192918 (3-nacci), A382627 (5-nacci). %K A382626 nonn,cons %O A382626 0,1 %A A382626 _R. J. Mathar_, Apr 01 2025