48529

Appears in sequences

• a(1) = 4; a(n) is smallest semiprime > 2*a(n-1).at n=13A117880
• Number of 2 X n 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards.at n=14A281716
• Number of integer partitions of n that can be partitioned into two or more blocks with equal sums.at n=42A321452
• Smallest positive integer that cannot be obtained from an expression consisting of digits 0,1,...,n-1, each used exactly once, and any mix of the four arithmetic operations +-*/ plus balanced parentheses. Digits may be concatenated as in 210+34. Neither unary minus signs nor exponents are allowed.at n=7A363303
• a(n) is the least semiprime such that a(n) - n and a(n) + n are the previous and the next semiprimes.at n=17A365222