55423

Appears in sequences

• a(n) = 9*n^3 - 18*n^2 + 10*n.at n=19A086605
• Numbers k > 1 for which floor(b(k)) = floor(b(k-1)), where b(m) = Sum_{j=1..m} (j/(j+2)).at n=19A133470
• Table read by antidiagonals upward: T(n,k) is the number of ways to move a chess queen from (1,1) to (n,k) in the first quadrant using only right, diagonal up-right, and diagonal up-left moves.at n=34A334016