967138

Appears in sequences

• 1/36 the number of (n+2)X5 0..2 arrays with each 3X3 subblock containing two of one value, two of another, and five of the last.at n=7A184451
• 1/36 the number of (n+2)X10 0..2 arrays with each 3X3 subblock containing two of one value, two of another, and five of the last.at n=2A184456
• Growth series for affine Coxeter group (or affine Weyl group) D_9.at n=15A266764