65920domain: NAppears in sequencesa(n+1) = a(n) + a(n-1) + Fibonacci(n), with a(0) = 0 and a(1) = 1.at n=20A029907Shallow diagonal sums of A211226.at n=39A211228Number T(n,k) of permutations of [n] having k points that are fixed or reflected; triangle T(n,k), n>=0, 0<=k<=n, read by rows.at n=48A335872