A348181 a(n) is the number of (strict) chains of subspaces with ends 0 and (F_5)^n, counted up to coordinate permutation.

1, 5, 59, 2360, 369540, 258838575

Offset

1,2

Links

Table of n, a(n) for n=1..6.

Formula

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.

Crossrefs

Cf. A348180, A036038, A347843, A348116-A348118.

Sequence in context: A001059 A290702 A046842 * A374345 A326573 A324240

Adjacent sequences: A348178 A348179 A348180 * A348182 A348183 A348184

Keyword

more,nonn

Author

Álvar Ibeas, Oct 05 2021

Status

approved