6248040

Appears in sequences

• 1/12 the number of (n+2) X 4 0..2 arrays with each 3 X 3 subblock containing three of each value.at n=7A184379
• 1/12 the number of (n+2)X10 0..2 arrays with each 3X3 subblock containing three of each value.at n=1A184385