102874

Appears in sequences

• Number of ordered 5-tuples of integers from [ 2,n ] with no common factors among quadruples.at n=25A015655
• Site series for second parallel moment of Kagome lattice.at n=11A120551
• T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to at least one horizontal neighbor and the top left element equal to 0.at n=57A267724
• Number of 3Xn arrays containing n copies of 0..3-1 with every element equal to at least one horizontal neighbor and the top left element equal to 0.at n=8A267726