32019domain: NAppears in sequencesA Chebyshev transform of Fib(2n+2).at n=13A099444Number of 0..n arrays x(0..5) of 6 elements with zero 5th difference.at n=11A200157a(n) = Sum_{k=1..n+1} (-1)^(k-1) k (n - k + 1)!.at n=7A374651