Triangle read by rows: T(n,k) = number of noncommutative symmetric polynomials of degree n that have exactly k different variables appearing in each monomial and which generate the algebra of all noncommutative symmetric polynomials (n >= 1, 1 <= k <= n).
A055105
Triangle read by rows: T(n,k) = number of noncommutative symmetric polynomials of degree n that have exactly k different variables appearing in each monomial and which generate the algebra of all noncommutative symmetric polynomials (n >= 1, 1 <= k <= n).
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =1a(8) =4a(9) =1a(10) =0a(11) =1a(12) =12a(13) =8a(14) =1a(15) =0a(16) =1a(17) =33a(18) =44a(19) =13a(20) =1a(21) =0a(22) =1a(23) =88a(24) =208a(25) =109a(26) =19a(27) =1a(28) =0a(29) =1
External references
- oeis: A055105