41105

Appears in sequences

• a(n) = (1/24)*(n+1)*(3*n^3+59*n^2+358*n+648).at n=20A090949
• a(n) = A175369(n^2).at n=24A175370
• Number of arrangements of 4 numbers x(i) in -n..n with the sum of x(i)*x(i+1) equal to zero.at n=30A188359