128248

Appears in sequences

• Expansion of 1/((1+x)*(1-x)^6).at n=28A001753
• Partial sums of A100119. Sum of first n of the n-th centered n-gonal numbers.at n=31A130218
• Number of n X 5 0..1 arrays with rows unimodal and columns nondecreasing.at n=14A225007
• Number A(n,k) of unimodal functions f:[n]->[k*n]; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=41A226031
• Number of (n+1)X(5+1) 0..1 arrays with every 2X2 subblock ne-sw antidiagonal difference unequal to its neighbors horizontally and nw+se diagonal sum unequal to its neighbors vertically.at n=13A253695