216145205

Appears in sequences

• a(n) = n^8 + n^6 + n^4 + n^2 + 1.at n=11A059839
• a(n) = floor((n+3)^(n+2)/((n+3)^2-1)).at n=8A089816
• Smallest k such that k*n! +1 is an n-th power.at n=4A193745
• Array t(n,k) of sum of successive even powers of primes, where t(n,k) = sum_(j=0..k-1) prime(n)^(2j), with n>=1 and k>=0, read by ascending antidiagonals.at n=50A241855