174352

Appears in sequences

• a(n) = 4*a(n-1) - 6*a(n-2) + 6*a(n-3) - 3*a(n-4), with initial terms 0, 0, 0, 1.at n=17A137247
• G.f. A(x) satisfies A(x) = 1 + x * (A(x) / (1 - x))^5.at n=6A366647