33407

Appears in sequences

• a(n) = 58*n^2 - 1.at n=23A158668
• Number of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,3,0,2 for x=0,1,2,3,4.at n=4A197065
• Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 4,1,3,0,2 for x=0,1,2,3,4.at n=3A197066
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,1,3,0,2 for x=0,1,2,3,4.at n=31A197069
• T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,1,3,0,2 for x=0,1,2,3,4.at n=32A197069
• Expansion of Product_{k>=1} 1/(1 - x^k)^(k*(2*k-1)).at n=10A278767
• Numbers k such that 2^k + 2*k + 1 is prime.at n=16A301634