109599

Appears in sequences

• a(n) = A000522(n) - 2.at n=7A026243
• Number of nX7 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 1 0 and 1 0 1 vertically.at n=3A208697
• T(n,k)=Number of nXk 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 1 0 and 1 0 1 vertically.at n=48A208698
• Number of 4Xn 0..1 arrays avoiding 0 0 1 and 1 0 0 horizontally and 0 1 0 and 1 0 1 vertically.at n=6A208699
• Expansion of Product_{k>=0} 1/(1-x^(3*k+1))^3.at n=34A261631
• G.f.: Sum_{n>=0} ( 1/(1-x)^n - (1-x)^n )^n.at n=5A319947
• The first number in A350578 to appear n times.at n=18A350579