Triangle formed by coefficients of the expansion of p(x,n) = (1+x-x^2)^(n+1)*Sum_{j >= 0} (2*j+1)^n*(-x + x^2)^j.
A156918
Triangle formed by coefficients of the expansion of p(x,n) = (1+x-x^2)^(n+1)*Sum_{j >= 0} (2*j+1)^n*(-x + x^2)^j.
Terms
- a(0) =1a(1) =1a(2) =-1a(3) =1a(4) =1a(5) =-6a(6) =7a(7) =-2a(8) =1a(9) =1a(10) =-23a(11) =46a(12) =-47a(13) =26a(14) =-3a(15) =1a(16) =1a(17) =-76a(18) =306a(19) =-536a(20) =459a(21) =-232a(22) =82a(23) =-4a(24) =1a(25) =1a(26) =-237a(27) =1919a(28) =-5046a(29) =6965
External references
- oeis: A156918