70889

Appears in sequences

• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 637", based on the 5-celled von Neumann neighborhood.at n=38A273306
• Numbers k such that k and k+1 have at least 4 but not both exactly 4 distinct prime factors.at n=9A321494
• First term of n-th difference sequence of (floor(k*r)), r = -sqrt(2), k >= 0.at n=20A325665