43046713
domain: N
Appears in sequences
- a(n) = 9^n - n.at n=8A024102
- Binomial transform of 1,8,48,256,1280,6144,... (cf. A002697).at n=15A083672
- a(n) = 9^n - 8.at n=7A177095
- Number of nX4 arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nX4 array.at n=3A217997
- T(n,k)=Number of nXk arrays of the minimum or maximum value of corresponding elements and their horizontal and vertical neighbors in a random 0..2 nXk array.at n=24A217999