Triangle read by rows: T(n,m) is the number of direct-sum decompositions of a finite vector space of dimension n with m blocks over GF(2).

A270880

Triangle read by rows: T(n,m) is the number of direct-sum decompositions of a finite vector space of dimension n with m blocks over GF(2).

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =3a(6) =0a(7) =1a(8) =28a(9) =28a(10) =0a(11) =1a(12) =400a(13) =1680a(14) =840a(15) =0a(16) =1a(17) =10416a(18) =168640a(19) =277760a(20) =83328a(21) =0a(22) =1a(23) =525792a(24) =36053248a(25) =159989760a(26) =139991040a(27) =27998208a(28) =0a(29) =1

External references