216909

Appears in sequences

• Expansion of 1/((1-6x)(1-8x)(1-10x)(1-11x)).at n=4A028213
• Number of n X 4 0..1 arrays avoiding 0 0 1 and 0 1 0 horizontally and 0 0 1 and 1 0 1 vertically.at n=20A207064