47480

Appears in sequences

• Main diagonal of array A[k,n] = n-th sum of k consecutive k-gonal numbers, k>2.at n=13A130424
• Number of n X 2 binary arrays whose sum with another n X 2 binary array containing no more than two 1s has rows and columns in lexicographically nondecreasing order.at n=13A225976
• Number of length 4+1 0..2*n arrays with the sum of the absolute values of adjacent differences equal to 4*n.at n=8A249984