256342

Appears in sequences

• Number of 3 X n 0..1 arrays with diagonals and rows unimodal and antidiagonals nondecreasing.at n=21A224159
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n) - 1, where a(0) = 2, a(1) = 4, b(0) = 1, b(1) = 3, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=22A295961