Coefficients in the power series expansion of A(x) = Sum_{n=-oo..+oo} n*(n+1)/2 * x^(2*n) * (1 - x^n)^(n-2).
A356775
Coefficients in the power series expansion of A(x) = Sum_{n=-oo..+oo} n*(n+1)/2 * x^(2*n) * (1 - x^n)^(n-2).
Terms
- a(0) =1a(1) =1a(2) =5a(3) =1a(4) =11a(5) =1a(6) =21a(7) =-8a(8) =36a(9) =1a(10) =22a(11) =1a(12) =85a(13) =-89a(14) =137a(15) =1a(16) =-23a(17) =1a(18) =302a(19) =-349a(20) =287a(21) =1a(22) =23a(23) =-24a(24) =456a(25) =-944a(26) =1177a(27) =1a(28) =-903a(29) =1
External references
- oeis: A356775