554356

Appears in sequences

• Square array T(n, k) = Product_{j=1..n} ( Sum_{i=0..j-1} (i+1)*(k+1)^i ) with T(n, 0) = n!, read by antidiagonals.at n=40A156576
• a(n) = Fibonacci(n) represented in bijective base-6 numeration.at n=23A282237