19178
domain: N
Appears in sequences
- Convolution square of A003114.at n=38A145467
- Number of strings of numbers x(i=1..n) in 0..7 with sum i^2*x(i)^2 equal to n^2*49.at n=8A184238
- Number of (n+1)X(1+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal.at n=7A232384
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal.at n=28A232391
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal.at n=35A232391
- Number of partitions of n for which the number of even parts is equal to the positive alternating sum of the parts.at n=52A277579
- The number of vertices formed by straight line segments mutually connecting all vertices of a semicircular polygon defined in A333642.at n=24A330913
- Number of (1,2,3)-matching compositions of n.at n=16A335514