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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.

A331928 Number of compositions (ordered partitions) of n into distinct proper divisors of n.

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%I A331928 #6 Feb 01 2020 22:36:47
%S A331928 1,0,0,0,0,0,6,0,0,0,0,0,30,0,0,0,0,0,30,0,24,0,0,0,894,0,0,0,120,0,
%T A331928 150,0,0,0,0,0,1134,0,0,0,864,0,30,0,0,0,0,0,11934,0,0,0,0,0,150,0,
%U A331928 840,0,0,0,129438,0,0,0,0,0,126,0,0,0,0
%N A331928 Number of compositions (ordered partitions) of n into distinct proper divisors of n.
%H A331928 <a href="/index/Com#comp">Index entries for sequences related to compositions</a>
%F A331928 a(n) = A331927(n) - 1 for n > 0.
%e A331928 a(6) = 6 because we have [3, 2, 1], [3, 1, 2], [2, 3, 1], [2, 1, 3], [1, 3, 2] and [1, 2, 3].
%o A331928 (PARI) a(n)={if(n==0, 1, my(v=divisors(n)); subst(serlaplace((0*y) + polcoef(prod(i=1, #v-1, 1 + y*x^v[i] + O(x*x^n)), n)), y, 1))} \\ _Andrew Howroyd_, Feb 01 2020
%Y A331928 Cf. A018818, A027751, A033630, A065205, A100346, A210442, A211111, A294138, A331927.
%K A331928 nonn
%O A331928 0,7
%A A331928 _Ilya Gutkovskiy_, Feb 01 2020