83088

Appears in sequences

• Coordination sequence for 4-dimensional primitive di-isohexagonal orthogonal lattice.at n=24A008530
• Number of (n+1) X 2 0..3 arrays with every 2 X 3 or 3 X 2 subblock having exactly three clockwise edge increases.at n=3A206320
• Number of (n+1)X5 0..3 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases.at n=0A206323
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases.at n=6A206327
• T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X3 or 3X2 subblock having exactly three clockwise edge increases.at n=9A206327
• Expansion of phi(x)^2 / phi(-x^2) in powers of x where phi() is a Ramanujan theta function.at n=41A260314
• a(n) = (1/12)*n^2*(3*(1 + n^2) - 2*(2 + n^2)*(n mod 2)).at n=24A322844
• Triangle read by rows: T(n,k) is the number of rooted loopless planar maps with n edges, k faces and no isthmuses, n >= 0, k = 1..n+1.at n=60A342980
• Number of partitions of n in which the number of prime parts is not equal to the number of nonprime parts.at n=45A355306