55751

Appears in sequences

• Numbers m such that m and m+2 are both brilliant numbers, where brilliant numbers are semiprimes whose prime factors have an equal number of decimal digits, or whose prime factors are equal.at n=35A083284
• Number of n X 2 0..1 arrays with each 1 adjacent to 2, 3 or 5 king-move neighboring 1s.at n=10A296957