24658

Appears in sequences

• Numbers k whose decimal representation, read as a base-12 value and divided by k, yields an integer.at n=16A032555
• Numbers k such that 75*2^k-1 is prime.at n=39A050563
• Number of (6+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=27A252725
• Number of self-intersecting walks of length n on a square lattice such that at each point the angle turns 90 degrees.at n=25A293865
• G.f.: x * Product_{k>=1} 1/(1 - a(k)*(-x)^k)^((-1)^k).at n=15A308245