531445

Appears in sequences

• Numbers that are the sum of 7 positive 11th powers.at n=21A004818
• a(n) = n^4+4 = (n^2-2*n+2)*(n^2+2*n+2) = ((n-1)^2+1)*((n+1)^2+1).at n=27A057781
• a(n) = 3^n + 4.at n=12A168609
• Numbers m such that m - 3 divides m^m + 3.at n=38A252041
• a(n) = Sum_{d|n} d^(d').at n=8A348278