28250

Appears in sequences

• Numbers n such that n | 10^n + 9^n + 8^n + 7^n + 6^n.at n=42A057252
• Numbers n such that n + sum of prime factors of n = (n+1) + sum of prime factors of (n+1).at n=26A075654
• a(n) = n*(n+1)*(n^2 + 21*n + 50)/24.at n=23A101854
• Expansion of Product_{k > 0} (1 + f(k)*x^k), where f(n) = A147952(n).at n=33A147953
• Table, read by antidiagonals, in which the n-th row comprises A214206(n) in position 0 followed by a second order recursive series G in which each product G(i)*G(i+1) lies in the same row of A001477 (interpreted as a square array - see below).at n=29A182441
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 193", based on the 5-celled von Neumann neighborhood.at n=36A270687