G.f. A(x) satisfies: [x^k] (1+x)^(n^2) * A(x) = 0 for k = (n-1)^2 + 1 through k = n^2 for n >= 1.

A305600

G.f. A(x) satisfies: [x^k] (1+x)^(n^2) * A(x) = 0 for k = (n-1)^2 + 1 through k = n^2 for n >= 1.

Terms

    a(0) =1a(1) =-1a(2) =-2a(3) =10a(4) =-25a(5) =33a(6) =57a(7) =-561a(8) =2310a(9) =-7150a(10) =18448a(11) =-39168a(12) =55114a(13) =41990a(14) =-726750a(15) =3657006a(16) =-13846041a(17) =44907185a(18) =-130605450a(19) =347227650a(20) =-845335695a(21) =1842623895a(22) =-3311675445a(23) =3271798125a(24) =9143639100a(25) =-77910795756a(26) =356581496251

External references