777240

Appears in sequences

• Weight distribution of [256,93,32] Reed-Muller (or RM) code.at n=8A146953
• Pentagonal numbers P = (p+q+r+s)/4 which are the arithmetic mean of four consecutive primes such that p < P < q < r < s.at n=4A234539
• Triangle read by rows: T(n,k) is the number of k-dimensional subspaces of an n-dimensional vector space over F_2 that do not contain a given nonzero vector, n>=0, 0<=k<=n.at n=48A289537
• G.f. satisfies A(x) = 1 + x/(1 - x^4)^2 * A(x/(1 - x^4)).at n=23A360893