Triangle, read by rows, such that row n equals the coefficients of x^(n^2+n-1+k) in F(x,n) for k = 1..n, where F(x,n) = (1 + x*F(x,n))*(1 + x^n/F(x,n)), for n>=1.
A200171
Triangle, read by rows, such that row n equals the coefficients of x^(n^2+n-1+k) in F(x,n) for k = 1..n, where F(x,n) = (1 + x*F(x,n))*(1 + x^n/F(x,n)), for n>=1.
Terms
- a(0) =1a(1) =4a(2) =1a(3) =-3a(4) =7a(5) =1a(6) =16a(7) =-19a(8) =11a(9) =1a(10) =-40a(11) =86a(12) =-54a(13) =16a(14) =1a(15) =134a(16) =-328a(17) =302a(18) =-118a(19) =22a(20) =1a(21) =-427a(22) =1289a(23) =-1483a(24) =827a(25) =-223a(26) =29a(27) =1a(28) =1432a(29) =-5003
External references
- oeis: A200171