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 A152902 #4 Jun 02 2025 01:15:31 %S A152902 1,3,7,14,27,49,88,155,272,472,819,1415,2446,4219,7280,12548 %N A152902 Convolution sequence, A000027 / A008683. %F A152902 Divide the natural numbers A000027 by mu(n), A008683. %e A152902 n = 4 since (1, -1, -1, 0) convolved with (1, 3, 7, 14) = 4; where the original operation divides A000027 by A008683. %Y A152902 A000027, A008683, A152903 %K A152902 nonn %O A152902 1,2 %A A152902 _Gary W. Adamson_, Dec 14 2008