949025

Appears in sequences

• a(n) = smallest k having at least five prime divisors d such that (d + n) | (k + n).at n=6A202160
• a(n) = n*(n + 1)*(n + 2)*(9*n - 7)/12.at n=33A264852
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 629", based on the 5-celled von Neumann neighborhood.at n=9A273296