378811

Appears in sequences

• Numbers n such that n^2 + (n+1)^2 + (n+2)^2 is palindromic.at n=13A027573
• a(n) = 4*a(n-1) -5*a(n-2) +2*a(n-3) +2*a(n-4) for a(0) = a(1) = 0, a(2) = 1, a(3) = 4 for n >= 4.at n=16A373358