2951524

Appears in sequences

• Final terms of rows of A077346.at n=28A077347
• a(0) = 0, a(1) = 1; for n > 1, a(n) = (a(n-1) + a(n-2) + 1)^2.at n=5A086857
• Number of nX3 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=7A204079
• T(n,k)=Number of nXk 0..3 arrays with every element neighboring horizontally or vertically both a 0 and a 1.at n=47A204084