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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.

A354626 Numbers that can't be written as the sum of a Fibonacci number and the square of a Fibonacci number.

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%I A354626 #25 Jul 25 2022 15:52:06
%S A354626 15,16,18,19,20,23,24,29,31,32,36,37,39,40,41,42,44,45,47,48,49,50,51,
%T A354626 52,53,54,57,58,60,61,62,63,68,70,71,73,74,75,76,78,79,81,82,83,84,86,
%U A354626 87,88,91,92,94,95,96,97,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,115
%N A354626 Numbers that can't be written as the sum of a Fibonacci number and the square of a Fibonacci number.
%F A354626 Numbers k such that the coefficient of x^k in the product (Sum_{i>=0} x^Fibonacci(i)) * (Sum_{j>=0} x^(Fibonacci(j)^2)) is 0.
%e A354626 16 is a term since there does not exist any pair of integers i,j >= 0 such that Fibonacci(i) + Fibonacci(j)^2 = 16.
%Y A354626 Cf. A000045, A007598, A059727.
%K A354626 nonn
%O A354626 1,1
%A A354626 _Angad Singh_, Jul 09 2022