598507920
domain: N
Appears in sequences
- 1/4 the number of n X n 0..3 arrays with no element equal both to the element above and to the element to its left.at n=3A185560
- 1/4 the number of n X 4 0..3 arrays with no element equal both to the element above and to the element to its left.at n=3A185562
- T(n,k)=1/4 the number of nXk 0..3 arrays with no element equal both to the element above and to the element to its left.at n=24A185567