18249

Appears in sequences

• 30*a(n) is the gap between sexy prime triples in the n-th sexy prime triple triple whose initial term is 17.at n=13A090891
• a(n) = number of k's that make primorial P(n)/A019565(k)+A019565(k) prime, A019565(k)^2<=P(n).at n=16A103787
• Number of permutations of 1..n containing the relative rank sequence { 135264 } at any spacing.at n=3A159098
• Number of composites removed in each step of the Sieve of Eratosthenes for 10^7.at n=19A227155
• Number of (4+2) X (n+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 3 5 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 3 5 6 or 7.at n=13A252388
• Denominator of (1/3)*n*(n + 2)/((1 + 2*n)*(3 + 2*n)).at n=38A300295
• Main diagonal of A332365.at n=20A332366
• Numbers which are the product of two S-primes (A057948) in exactly three ways.at n=13A343828
• Products k of 4 distinct primes (or tetraprimes) such that k has no squarefree neighbors.at n=24A364141
• The number of polyforms on the snub square tiling where the adjacent triangles are combined into rhombi.at n=10A384115
• Consecutive states of the linear congruential pseudo-random number generator 259*s mod 2^15 when started at s=1.at n=18A384194