128535domain: NAppears in sequencesFibonacci sequence beginning 0, 19.at n=20A022353a(n) = n * Fibonacci(n+1).at n=19A023607a(n) = (n+1)(n+2)^2*(n+3)(2n+3)(5n^2 + 19n + 20)/720.at n=8A107969Number of n-digit biquanimous strings using digits {0,1,...,5}.at n=7A288689