737793

Appears in sequences

• Number of strings of numbers x(i=1..8) in 0..n with sum i^2*x(i)^2 equal to n^2*64.at n=20A184246
• a(n) = 7*a(n-1) - 14*a(n-2) + 7*a(n-3), a(0)=1, a(1)=3, a(2)=9.at n=11A215007