25837

Appears in sequences

• Number of (n+1) X 4 binary arrays with rows and columns in nondecreasing order and with no 2 X 2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.at n=11A184065
• Number of length 4 0..n arrays with each partial sum starting from the beginning no more than two standard deviations from its mean.at n=11A244835
• G.f. satisfies: A(x,y) = 1-x + y*x + Series_Reversion( x/A(x,y)^2 ).at n=32A257813
• Number of normal patterns matched by compositions of n.at n=11A335456