1089144domain: NAppears in sequencesa(n) = (F(4*n) - F(n))/2, where F=A000045 (the Fibonacci sequence).at n=8A049672Number of binary strings of length n with no substrings equal to 0001 or 0111.at n=27A164397Partial sums of floor(Fibonacci(n)/2).at n=30A178982E.g.f. satisfies log(A(x)) = x^3 * (exp(x * A(x)) - 1) * A(x).at n=9A356892