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 A357381 #4 Sep 26 2022 20:17:50
%S A357381 1,-2,2,-3,5,-7,9,-11,13,-16,20,-23,26,-31,36,-41,48,-55,62,-71,81,
%T A357381 -92,104,-116,129,-145,163,-180,198,-219,242,-267,293,-320,349,-381,
%U A357381 416,-452,489,-529,572,-618,668,-719,771,-829,892,-956,1023,-1094,1167,-1246,1331,-1416,1504
%N A357381 Expansion of Product_{k>=1} 1 / (1 + x^Fibonacci(k)).
%C A357381 Convolution inverse of A000121.
%t A357381 nmax = 54; CoefficientList[Series[Product[1/(1 + x^Fibonacci[k]), {k, 1, 21}], {x, 0, nmax}], x]
%Y A357381 Cf. A000045, A000121, A298949, A357380.
%K A357381 sign
%O A357381 0,2
%A A357381 _Ilya Gutkovskiy_, Sep 26 2022