323394

Appears in sequences

• a(n) = K_4(n) = Sum_{k>=0} A090285(4,k)*2^k*binomial(n,k). a(n) = 2*(n^4+14*n^3+62*n^2+91*n+21)/3.at n=23A090296
• Number of nX6 0..2 arrays with rows and antidiagonals unimodal and columns nondecreasing.at n=3A223916
• T(n,k)=Number of nXk 0..2 arrays with rows and antidiagonals unimodal and columns nondecreasing.at n=39A223918
• Number of 4Xn 0..2 arrays with rows and antidiagonals unimodal and columns nondecreasing.at n=5A223921