247163

Appears in sequences

• Number of nX3 0..2 arrays avoiding the pattern z z+1 z in any row or column.at n=3A207216
• Number of nX4 0..2 arrays avoiding the pattern z z+1 z in any row or column.at n=2A207217
• T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z in any row or column.at n=17A207221
• T(n,k)=Number of nXk 0..2 arrays avoiding the pattern z z+1 z in any row or column.at n=18A207221
• Expansion of Sum_{k>=0} x^(k^2) / Product_{j=1..k} (1 - x^j)^j.at n=50A318771