168740
domain: N
Appears in sequences
- a(n) = n*(n + 1)*(17*n - 14)/6.at n=39A237617
- Number of n X n 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.at n=4A268791
- Number of nX5 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.at n=4A268795
- T(n,k)=Number of nXk 0..2 arrays with some element plus some horizontally, vertically or antidiagonally adjacent neighbor totalling two exactly once.at n=40A268798