-16744

Appears in sequences

• Ramanujan's tau function (or Ramanujan numbers, or tau numbers).at n=6A000594
• A sequence related to Ramanujan's tau function.at n=24A055978
• Ramanujan function tau(p) as p runs through the primes.at n=3A076847
• The odd bisection of A000594.at n=3A099059
• Ramanujan function tau(p) as p runs through the prime powers: a(n) = A000594(A000961(n)).at n=5A278577
• Triangle read by rows: T(n,k) = T(n-k,k-1) with T(0,0) = 1 and T(n,0) = -1/n * Sum_{k=1..A003056(n)} (-1)^k * (2*k+1) * (n+1-A060544(k+1)) * T(n,k).at n=14A292781
• Triangle read by rows: T(n,k) = T(n-k,k-1) with T(0,0) = 1 and T(n,0) = -1/n * Sum_{k=1..A003056(n)} (-1)^k * (2*k+1) * (n+1-A060544(k+1)) * T(n,k).at n=19A292781
• Triangle read by rows: T(n,k) = T(n-k,k-1) with T(0,0) = 1 and T(n,0) = -1/n * Sum_{k=1..A003056(n)} (-1)^k * (2*k+1) * (n+1-A060544(k+1)) * T(n,k).at n=28A292781
• a(n) = (1/720)*n*(n - 10)*(n - 1)*(n^3 - 34*n^2 + 181*n - 144).at n=24A319932