Expansion of g.f. A(x,y) satisfying Sum_{n>=0} Product_{k=1..n} (x^k + y*A(x,y)) = 1 + (y+1) * Sum_{n>=1} x^(n*(n+1)/2), as a triangle of coefficients T(n,k) of x^n*y^k in A(x,y) read by rows.
A370140
Expansion of g.f. A(x,y) satisfying Sum_{n>=0} Product_{k=1..n} (x^k + y*A(x,y)) = 1 + (y+1) * Sum_{n>=1} x^(n*(n+1)/2), as a triangle of coefficients T(n,k) of x^n*y^k in A(x,y) read by rows.
Terms
- a(0) =1a(1) =-1a(2) =-1a(3) =1a(4) =2a(5) =1a(6) =-1a(7) =-3a(8) =-3a(9) =-1a(10) =0a(11) =3a(12) =6a(13) =4a(14) =1a(15) =1a(16) =0a(17) =-7a(18) =-10a(19) =-5a(20) =-1a(21) =-1a(22) =-6a(23) =-1a(24) =14a(25) =15a(26) =6a(27) =1a(28) =0a(29) =12
External references
- oeis: A370140