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 A374583 #8 Jul 14 2024 08:49:49 %S A374583 1,0,1,5,44,975,59234,15474226 %N A374583 a(n) = number of Egyptian fractions 1 = 1/x_1 + ... + 1/x_n such that 0 < x_1 < ... < x_n and x_k | x_n for all k = 1..n. %C A374583 Also, number of integers m such that m is the sum of n distinct divisors of m including 1. %C A374583 x_n <= A000058(n-1)-1. %Y A374583 Cf. A002967, A280518, A374582. %K A374583 nonn,more,hard %O A374583 1,4 %A A374583 _Max Alekseyev_, Jul 12 2024