103538

Appears in sequences

• Convolution of natural numbers n >= 1 with Lucas numbers L(k) (A000032) for k >= 3.at n=17A033813
• 1/4 the number of arrangements of 4 nonzero numbers x(i) in -n..n with the sum of sign(x(i))*(|x(i)| mod x(i+1)) equal to zero.at n=31A189953
• Number of (n+2)X(1+2) 0..1 arrays with the (lower) medians of each row equal and of each column equal.at n=5A237740
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with the (lower) medians of each row equal and of each column equal.at n=15A237745
• T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with the (lower) medians of each row equal and of each column equal.at n=20A237745