116140

Appears in sequences

• Number of alkyls C_{n+15} H_{2n+10} (Phenan) with n carbon atoms.at n=9A000649
• Number of numbers whose base-4/3 expansion (see A024631) has n digits.at n=38A245356
• Number of (n+2)X(n+2) 0..3 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order.at n=19A252711
• a(0) = 2, thereafter a(n+1) is the nearest integer to 4*a(n)/3.at n=38A390254