14930208domain: NAppears in sequencesNumber of compositions of n into odd and relatively prime parts.at n=35A108700a(n) = F(8*n)/L(2*n) with n >= 0, F = A000045 (Fibonacci numbers) and L = A000032 (Lucas numbers).at n=6A215042a(n) = gcd(A330050(n), A330051(n)).at n=23A329421