Triangle T(n,k) giving the number of loopless matroids of rank k on n labeled points (n >= 1, 1 <= k <= n).
A058711
Triangle T(n,k) giving the number of loopless matroids of rank k on n labeled points (n >= 1, 1 <= k <= n).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =1a(6) =1a(7) =14a(8) =11a(9) =1a(10) =1a(11) =51a(12) =106a(13) =26a(14) =1a(15) =1a(16) =202a(17) =1232a(18) =642a(19) =57a(20) =1a(21) =1a(22) =876a(23) =22172a(24) =28367a(25) =3592a(26) =120a(27) =1a(28) =1a(29) =4139
External references
- oeis: A058711