770884

Appears in sequences

• Number of nX6 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 1 vertically.at n=9A207691
• Triangle read by rows: numerators of the almost-Riordan array ( (-6*x - 3 - 3*sqrt(12*x^2 - 8*x + 1))/(8*x^2 - 3*x - 3 + (3*x - 3)*sqrt(12*x^2 - 8*x + 1)) | 6/(3*(1 - x)*sqrt(12*x^2 - 8*x + 1) - 8*x^2 + 3*x + 3), (1 - 4*x - sqrt(12*x^2 - 8*x + 1))/(2*x) ).at n=47A389739