154945

Appears in sequences

• Expansion of e.g.f. (1 - sqrt(1 - 4*LambertW(x)))/2.at n=6A180680
• Coefficient of x in the reduction by (x^2 -> x + 1) of the polynomial p(n,x) given in Comments.at n=13A192879
• a(n) = a(n-1) + a(n-3) + a(n-4), where a(0) = 2, a(1) = 0, a(2) = 1, a(3) = 1.at n=27A295684