54782

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 18.at n=26A031696
• 324n^2 + 2n.at n=12A158271
• a(n) = 676*n^2 + 26.at n=9A158643
• a(n) = n*(3*n^2 + 3*n + 1).at n=26A249354
• Number of (2+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 5 6 or 7.at n=8A252681
• Number of nX4 0..1 arrays with every element equal to 1 or 2 horizontally or antidiagonally adjacent elements, with upper left element zero.at n=10A301819
• Number of face-connected components of tetragonal disphenoidal cells in the tetragonal disphenoidal honeycomb up to translation, rotation, and reflection.at n=10A385024