A functionally symmetric Polynomial as a triangle of coefficients: p(x,n)=If[n == 0, 1, (x + 1)^n + 2^(n - 2)*Sum[(3^(m-1) + 2*m-1 )*x^m*(1 + x^(n - 2*m)), {m, 1, n - 1}]].
A146957
A functionally symmetric Polynomial as a triangle of coefficients: p(x,n)=If[n == 0, 1, (x + 1)^n + 2^(n - 2)*Sum[(3^(m-1) + 2*m-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) =19a(8) =19a(9) =1a(10) =1a(11) =68a(12) =54a(13) =68a(14) =1a(15) =1a(16) =293a(17) =170a(18) =170a(19) =293a(20) =1a(21) =1a(22) =1478a(23) =655a(24) =468a(25) =655a(26) =1478a(27) =1a(28) =1a(29) =8199
External references
- oeis: A146957