1051270

Appears in sequences

• Number of strings of numbers x(i=1..n) in 0..7 with sum i^2*x(i) equal to n^2*7.at n=10A183951
• a(1)=1 and a(2)=1; if a(n-1) + a(n-2) == 0 (mod n) then a(n) = (a(n-1) + a(n-2))/n else a(n) = a(n-1) + a(n-2).at n=36A330139