G.f. A(x,y) = Sum_{-oo..+oo} (x - y^n)^(n+1), as a flattened rectangular array of coefficients T(n,k) of x^n * y^(k*(n+k-1)) in A(x,y) for n>=1.
A293600
G.f. A(x,y) = Sum_{-oo..+oo} (x - y^n)^(n+1), as a flattened rectangular array of coefficients T(n,k) of x^n * y^(k*(n+k-1)) in A(x,y) for n>=1.
Terms
- a(0) =1a(1) =1a(2) =-2a(3) =1a(4) =-3a(5) =2a(6) =1a(7) =-4a(8) =5a(9) =-2a(10) =1a(11) =-5a(12) =9a(13) =-7a(14) =2a(15) =1a(16) =-6a(17) =14a(18) =-16a(19) =9a(20) =-2a(21) =1a(22) =-7a(23) =20a(24) =-30a(25) =25a(26) =-11a(27) =2a(28) =1a(29) =-8
External references
- oeis: A293600