G.f. A(x) = x*F'(x)/F(x) where F(x) is the g.f. of A381353 that satisfies [x^n] F(x)^prime(n) = 0 for n > 1.

A381355

G.f. A(x) = x*F'(x)/F(x) where F(x) is the g.f. of A381353 that satisfies [x^n] F(x)^prime(n) = 0 for n > 1.

Terms

    a(0) =1a(1) =-3a(2) =10a(3) =-35a(4) =121a(5) =-390a(6) =1037a(7) =-1083a(8) =-14030a(9) =137837a(10) =-382106a(11) =-8791718a(12) =199408912a(13) =-2701500413a(14) =28888970650a(15) =-262327310011

External references