194964
domain: N
Appears in sequences
- a(n) = Sum_{d|4} phi(d)*n^(4/d).at n=21A054603
- Number of nX3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,2,1,1,1 for x=0,1,2,3,4.at n=7A197777
- T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 3,2,1,1,1 for x=0,1,2,3,4.at n=47A197782
- Number of -n..n arrays x(0..4) of 5 elements with zero sum and nonzero first and second differences.at n=11A200457