50331649

Appears in sequences

• a(0) = 1; thereafter a(n) = 3*2^(n-1) + 1.at n=25A004119
• a(1) = 2, a(2) = 4; a(n) = 2*a(n-1) - 1.at n=25A103204
• A132749 * [1, 2, 3, ...] = A007318 * A065190.at n=22A132750
• a(n) = 3*4^n + 1.at n=12A140660
• a(n) = 3*2^n + 1.at n=24A181565
• a(n) = 3*8^n + 1.at n=8A199494
• Half the number of (n+1) X 3 0..2 arrays with every 2 X 2 subblock having exactly two distinct clockwise edge differences.at n=15A209530
• Number of divisors of n^(n^n).at n=7A249784