51604

Appears in sequences

• Numbers having four 7's in base 9.at n=21A043484
• Expansion of (Product_{j>=1} (1-(-x)^j) - 1)^21 in powers of x.at n=9A047646
• Values of (n^5+47*n)/48 as n ranges over the numbers that are == +-1 mod 6.at n=6A151556
• Array A(n, k) = Product_{j=1..n} ( j - (1+j)*(k+1) + (k+1)^(j+1) ) with A(n, 0) = n!, read by antidiagonals.at n=40A156579
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 33", based on the 5-celled von Neumann neighborhood.at n=7A269811