a(n) is the number of (strict) chains of subspaces with ends 0 and (F_5)^n.

A347843

a(n) is the number of (strict) chains of subspaces with ends 0 and (F_5)^n.

Terms

    a(0) =1a(1) =1a(2) =7a(3) =249a(4) =44643a(5) =40065301a(6) =179833594207

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