Triangle read by rows: T(n,k) is the number of chains of length k in the partially ordered (by subspace inclusion) set of all subspaces of GF(2)^n, n>=0, 0<=k<=n.
A293845
Triangle read by rows: T(n,k) is the number of chains of length k in the partially ordered (by subspace inclusion) set of all subspaces of GF(2)^n, n>=0, 0<=k<=n.
Terms
- a(0) =1a(1) =2a(2) =1a(3) =5a(4) =7a(5) =3a(6) =16a(7) =50a(8) =56a(9) =21a(10) =67a(11) =446a(12) =1010a(13) =945a(14) =315a(15) =374a(16) =5395a(17) =22692a(18) =40455a(19) =32550a(20) =9765a(21) =2825a(22) =92881a(23) =704601a(24) =2167179a(25) =3193155a(26) =2255715a(27) =615195a(28) =29212a(29) =2350136
External references
- oeis: A293845