214490

Appears in sequences

• a(n) = 6*a(n-1) + 2*2^(n-1) - 2 for n > 2, a(0) = a(1) = 0, a(2) = 3.at n=8A240916
• Numbers n such that n-1, n, and n+1 are the product of 4 distinct primes.at n=1A248203
• Number of locally disjoint rooted identity trees with n nodes, meaning no branch overlaps any other branch of the same root.at n=19A316471