853211domain: NPropertiesPrimalityPrimeyesAppears in sequencesConcatenate first n nonzero Fibonacci numbers in reverse order.at n=5A038399Append n-th Fibonacci number to previous term, reverse alternate terms.at n=5A053055Primes in A038399.at n=2A134069a(n) = Sum_{i=1..n} Fibonacci(i)*10^(i-1).at n=5A249604Prime numbersat n=67852