203104

Appears in sequences

• Number of (n+1)X(2+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal.at n=7A232385
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every element next to itself plus and minus one within the range 0..3 horizontally, vertically or antidiagonally, with no adjacent elements equal.at n=37A232391
• E.g.f. 1/(1 - tan(3*x))^(1/3).at n=6A235132