807576

Appears in sequences

• a(n) = (n + 4)*(n + 3)*(n + 2)*(n + 1)*n / 5 = 24*A000389(n+4).at n=19A158874
• a(n) = 6*binomial(n+1, 6).at n=18A253946
• Number T(n,k) of elements k in all n X n Tesler matrices of nonnegative integers; triangle T(n,k), n>=1, 1<=k<=n, read by rows.at n=32A259841
• a(n) is the smallest k with rank((Z/kZ)*) = n such that there are an odd number of coprime squares modulo k.at n=7A348418
• a(n) = n * binomial(4*n, n).at n=6A378802