27849

Appears in sequences

• Numerators of continued fraction convergents to sqrt(557).at n=9A042066
• Becomes prime after exactly 8 iterations of f(x) = sum of prime factors of x.at n=7A047827
• Becomes prime or 4 after exactly 10 iterations of f(x) = sum of prime factors of x.at n=1A048132
• Number of n X n binary arrays symmetric under 180 degree rotation with all ones connected only in a 1110-0100-0111 pattern in any orientation.at n=10A146878
• a(n) = 1250*n^2 - 700*n + 99.at n=5A154359
• Sum of the odd parts in the partitions of n into 9 parts.at n=35A309657