243840

Appears in sequences

• Weight distribution of [128,64,22] extended binary primitive BCH (or XBCH) code.at n=11A140792
• Triangle T(n,k) = sum_{0<=j<=k/2} A034867(k,j)*prime(n)^j, read by rows, 0<=k<n.at n=52A140894
• a(n) = sigma(3*a(n-1)) for n>1 with a(1)=1.at n=6A180708