127688

Appears in sequences

• Number of ON cells at n-th stage of three-dimensional version of the cellular automaton A160410, using cubes.at n=31A160428
• a(n) = (n + 1)*(6*n^4 - 21*n^3 + 31*n^2 - 31*n + 30)/30.at n=15A267691
• Numbers n whose sum of divisors equals the sum of divisors of 2n+1.at n=29A272553
• Number of labeled trees on [n] that are centered.at n=8A356292