Triangle read by rows: T(n,k) is the number of direct sum decompositions of GF(2)^n whose maximal subspace has dimension k, 1<=k<=n, n>=1.

A298399

Triangle read by rows: T(n,k) is the number of direct sum decompositions of GF(2)^n whose maximal subspace has dimension k, 1<=k<=n, n>=1.

Terms

    a(0) =1a(1) =3a(2) =1a(3) =28a(4) =28a(5) =1a(6) =840a(7) =1960a(8) =120a(9) =1a(10) =83328a(11) =416640a(12) =39680a(13) =496a(14) =1a(15) =27998208a(16) =295536640a(17) =40354560a(18) =666624a(19) =2016a(20) =1a(21) =32509919232a(22) =733279289344a(23) =138360668160a(24) =2757537792a(25) =10924032a(26) =8128a(27) =1a(32) =181463777280a(33) =176865280

External references