91030

Appears in sequences

• Number of isomers of the soccerball C_60H_n Buckminster fullerene.at n=5A133998
• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 3X3 plus 2,1 2,2 2,3 1,2 3,2.at n=17A146003
• Number of -n..n arrays x(0..4) of 5 elements with zero sum and no two neighbors summing to zero.at n=9A199834
• Number of (n+1) X (6+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=2A250896
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=30A250898
• Number of (3+1) X (n+1) 0..2 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing absolute value of x(i,j)-x(i-1,j) in the j direction.at n=5A250901
• Number of 6-cycles in the n X n king graph.at n=28A288920