A functionally symmetric Polynomial as a triangle of coefficients: p(x,n)=If[n == 0, 1, (x + 1)^n + 2^(n - 3)*Sum[(3^(m-1) + 2*m+(n-1) )*x^m*(1 + x^(n - 2*m)), {m, 1, n - 1}]].
A146959
A functionally symmetric Polynomial as a triangle of coefficients: p(x,n)=If[n == 0, 1, (x + 1)^n + 2^(n - 3)*Sum[(3^(m-1) + 2*m+(n-1) )*x^m*(1 + x^(n - 2*m)), {m, 1, n - 1}]].
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =6a(5) =1a(6) =1a(7) =17a(8) =17a(9) =1a(10) =1a(11) =52a(12) =46a(13) =52a(14) =1a(15) =1a(16) =189a(17) =130a(18) =130a(19) =189a(20) =1a(21) =1a(22) =838a(23) =431a(24) =340a(25) =431a(26) =838a(27) =1a(28) =1a(29) =4327
External references
- oeis: A146959