5562216

Appears in sequences

• a(n) = Sum_{k=0..n-3} T(n,k) * T(n,k+3), with T given by A026648.at n=9A026974
• Number of arrangements of n+1 nonzero numbers x(i) in -3..3 with the sum of trunc(x(i)/x(i+1)) equal to zero.at n=8A189539