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 A130473 #9 Jun 19 2022 09:44:39 %S A130473 1,3,6,9,14,19,24,32,40,48,56,64,77,90,103,116,129,142,155,168,189, %T A130473 210,231,252,273,294,315,336,357,378,399,420,441,475,509,543,577,611, %U A130473 645,679,713,747,781,815,849,883,917,951,985,1019,1053,1087,1121,1155,1210 %N A130473 Partial sums of A087172. %F A130473 a(n) = (1/2)*(Fib(2*b(n)+1) - 3*Fib(b(n))*Fib(b(n)+1)-1) + (n+1)*Fib(b(n)) where b(n) = A130233(n) = A130234(n+1)-1 and Fib(n)=A000045(n). %t A130473 Accumulate[Flatten[Map[ConstantArray[Fibonacci[#],Fibonacci[#-1]]&,Range[15]]]] (* _Peter J. C. Moses_, May 02 2022 *) %Y A130473 Cf. A000045, A130233, A130234, A130235, A130236, A130238, A130240, A087172. %K A130473 nonn %O A130473 1,2 %A A130473 _Hieronymus Fischer_, May 28 2007