Triangle read by rows: T(n,k) is the number of ordered direct sum decompositions of the vector space GF(2)^n containing exactly k subspaces.

A303535

Triangle read by rows: T(n,k) is the number of ordered direct sum decompositions of the vector space GF(2)^n containing exactly k subspaces.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =6a(6) =0a(7) =1a(8) =56a(9) =168a(10) =0a(11) =1a(12) =800a(13) =10080a(14) =20160a(15) =0a(16) =1a(17) =20832a(18) =1011840a(19) =6666240a(20) =9999360a(21) =0a(22) =1a(23) =1051584a(24) =216319488a(25) =3839754240a(26) =16798924800a(27) =20158709760a(28) =0a(29) =1

External references