5010795179

Appears in sequences

• A007318^(-1) * A133648.at n=31A133649
• a(n) = 5*a(n-1) - 9*a(n-2) + 8*a(n-3) - 4*a(n-4), with a(0)=0, a(1)=0, a(2)=0, a(3)=1.at n=30A137221
• a(n) = (14*4^n + 1)/3.at n=15A206373