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 A348181 #4 Oct 06 2021 12:19:27
%S A348181 1,5,59,2360,369540,258838575
%N A348181 a(n) is the number of (strict) chains of subspaces with ends 0 and (F_5)^n, counted up to coordinate permutation.
%F A348181 a(n) = Sum_{L partition of n} A348180(n, L) * A036038(len(L), sig(L)), where sig(L) is the partition composed by the part multiplicities of L.
%Y A348181 Cf. A348180, A036038, A347843, A348116-A348118.
%K A348181 more,nonn
%O A348181 1,2
%A A348181 _Álvar Ibeas_, Oct 05 2021