27009

Appears in sequences

• Convolution of A010060 and A000244.at n=10A101555
• a(n) = n^3 plus sum of digits of n^3.at n=29A123135
• Numbers n such that the binary expansion of n starts with the base 3 expansion of n.at n=13A178679
• Numbers n such that the binary expansion of n contains the base 3 expansion of n as a substring.at n=15A178680
• Numbers n such that n^8+8 and n^8-8 are prime.at n=22A239503
• Numbers for which the root mean square of nontrivial divisors is an integer and which are not a square of prime numbers.at n=36A247137
• Number of length 4+2 0..n arrays with every three consecutive terms having the sum of some two elements equal to twice the third.at n=41A248437
• Number of n-bead bracelets using exactly three colors with no adjacent beads having the same color.at n=19A330632
• Expansion of Sum_{k>=0} (x * (1 + 2^k * x))^k.at n=7A360704