17246978048
domain: N
Appears in sequences
- Number of solutions to Sum_{i=1..n} x_i^2 == 1 (mod 4) with x_i in 0..3.at n=17A229136
- Number of n X 3 0..7 arrays with no element x(i,j) adjacent to itself or value 7-x(i,j) horizontally, diagonally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 4 5 and 6, 2 appearing before 3 4 and 5, and 3 appearing before 4 in row major order (unlabelled 8-colorings with no clashing color pairs).at n=9A233163