90581

Appears in sequences

• a(n) = 6*a(n-1) - a(n-2) + 6 with n>1, a(0)=0, a(1)=1.at n=7A210695
• Number of nX3 0..3 arrays with exactly floor(nX3/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order.at n=7A222517
• T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order.at n=47A222522
• T(n,k)=Number of nXk 0..3 arrays with exactly floor(nXk/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order.at n=52A222522
• Composite numbers whose sum of aliquot parts divides the sum of their unrelated numbers.at n=16A250399
• Nonprime squarefree numbers whose prime indices all have the same Omega (A001222) and the same sum of prime indices (A056239).at n=38A327908