76570

Appears in sequences

• Number of planar n-hexes, or polyhexes (in the sense of A000228, so rotations and reflections count as the same shape) with at least one hole.at n=12A038144
• Diagonal sums of number triangle A113582.at n=36A154324
• a(n) = Product_{d|n, d<n} prime(1+A001414(d)), where A001414(d) gives the sum of prime factors of d, with repetition.at n=49A319692