27606

Appears in sequences

• 53 'Reverse and Add' steps are needed to reach a palindrome.at n=15A065320
• Numbers k such that 9^k - 3^k - 1 is prime.at n=20A265481
• Numbers k such that 3*10^k + 29 is prime.at n=19A302122
• Triangle read by rows: T(n,k) is the number of bicolored cubic graphs on 2n unlabeled vertices with k vertices of the first color, n >= 0, 0 <= k <= 2*n.at n=42A361361
• Number of bicolored cubic graphs on 2n unlabeled vertices with n vertices of each color.at n=6A361409