26804

Appears in sequences

• Number of arrangements of n+1 nonzero numbers x(i) in -4..4 with the sum of trunc(x(i)/x(i+1)) equal to zero.at n=4A189540
• T(n,k)=Number of arrangements of n+1 nonzero numbers x(i) in -k..k with the sum of trunc(x(i)/x(i+1)) equal to zero.at n=32A189545
• Number of arrangements of 6 nonzero numbers x(i) in -n..n with the sum of trunc(x(i)/x(i+1)) equal to zero.at n=3A189549
• Triangle read by rows: T(n,m) = Sum_{k=0..n} C(k-1,m-1)*C(k,m-1)*C(n+k-1,n-k)/m.at n=40A257142