54976

Appears in sequences

• Convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself.at n=9A073388
• Number of 1's that appear among all ternary strings of length n that contain no consecutive 1's.at n=10A109634
• Triangle read by rows: T(n,k) is the number of ternary sequences of length n containing k subsequences 00 (n>=0, 0<=k<=max(0,n-1)).at n=57A118357
• a(n)= 7*a(n-1) -4*a(n-2) -45*a(n-3) +64*a(n-4) +55*a(n-5) -128*a(n-6) +52*a(n-7).at n=5A121803
• Triangle of coefficients of polynomials u(n,x) jointly generated with A208760; see the Formula section.at n=64A208759