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 A023497 #5 Feb 01 2019 10:30:26 %S A023497 5,9,16,24,37,56,86,135,212,336,536,859,1381,2226,3591,5799,9371, %T A023497 15150,24500,39628,64105,103709,167789,271473,439235,710679,1149884, %U A023497 1860532,3010384,4870883,7881233,12752081,20633278,33385322 %N A023497 a(n) = b(n) + d(n), where b(n) = (n-th Lucas number > 3) and d(n) = (n-th number that is 1 or is not a Lucas number). %F A023497 a(n) = A000032(n+3)+A090946(n+1), n>0. - _R. J. Mathar_, Feb 01 2019 %K A023497 nonn %O A023497 0,1 %A A023497 _Clark Kimberling_