49538

Appears in sequences

• Number of ways to pair up {2..2n+1} so the sum of each pair is prime.at n=10A134293
• a(n) = 49*n^2 - 20*n + 2.at n=31A157373
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 323", based on the 5-celled von Neumann neighborhood.at n=41A271255
• Number of nX1 0..1 arrays with no 1 equal to more than one of its king-move neighbors, with the exception of exactly two elements.at n=17A282831