898857
domain: N
Appears in sequences
- 1/36 the number of (n+2) X 3 0..2 arrays with each 3 X 3 subblock containing two of one value, two of another, and five of the last.at n=7A184449
- 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=0A184456
- T(n,k)=1/36 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing two of one value, two of another, and five of the last.at n=28A184457
- T(n,k)=1/36 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing two of one value, two of another, and five of the last.at n=35A184457
- a(n) = Sum_{k=0..n} k^3 * 2^(n-k) * binomial(n,k).at n=9A383137