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 A339175 #15 Feb 16 2025 08:34:01 %S A339175 1,1,1,3,1,11,1,7,19,9,1,101,1,13,193,231,1,131,1,1411,163,21,1,3533, %T A339175 3601,25,289,7083,1,29195,1,3295,451,33,98641,84725,1,37,649,254007,1, %U A339175 768323,1,9907,444643,45,1,3420605,2197441,133849,1153,17331,1,12132635,209641 %N A339175 Number of compositions (ordered partitions) of n into distinct parts such that the average of the parts is an integer. %H A339175 Eric W. Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/ArithmeticMean.html">Arithmetic Mean</a> %H A339175 <a href="/index/Com#comp">Index entries for sequences related to compositions</a> %e A339175 a(8) = 7 because we have [8], [7, 1], [1, 7], [6, 2], [2, 6], [5, 3] and [3, 5]. %Y A339175 Cf. A032020, A067538, A102627, A339452. %K A339175 nonn %O A339175 1,4 %A A339175 _Ilya Gutkovskiy_, Dec 05 2020