781251

Appears in sequences

• Numbers that are the sum of 3 nonzero 8th powers.at n=30A003381
• a(3n) = 3a(3n-1)-3a(3n-2)+2a(3n-3), a(3n+1) = 3a(3n)-3a(3n-1)+2a(3n-2), a(3n+2) = 3a(3n+1)-3a(3n), a(0) = 0, a(1) = 1, a(2) = 2.at n=27A131761
• a(n) = 2*5^n+1.at n=8A199212