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 A379526 #5 Dec 26 2024 04:43:35
%S A379526 1,7,133,5419,383785,42244765,6520970371,1359532454017
%N A379526 Number of ordered ways of writing 1 as Sum_{k=-n..n, k<>0} e(k)/k, where e(k) is 0 or 1.
%e A379526 a(2) = 7 ways: {1}, {-1/2, 1, 1/2} (6 permutations).
%Y A379526 Cf. A002967, A038034, A379335, A379451.
%K A379526 nonn,more
%O A379526 1,2
%A A379526 _Ilya Gutkovskiy_, Dec 24 2024