86156

Appears in sequences

• Number of nX2 0..6 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors.at n=6A203383
• Number of nX7 0..6 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors.at n=1A203388
• T(n,k)=Number of nXk 0..6 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors.at n=29A203389
• T(n,k)=Number of nXk 0..6 arrays with every nonzero element less than or equal to at least two horizontal and vertical neighbors.at n=34A203389
• Values of bphi(k) = bphi(k+1), where bphi is the bi-unitary analog of Euler's totient function (A116550).at n=8A294030