35359

Appears in sequences

• Number of (n+1) X 4 0..1 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.at n=24A204646
• Number of partitions of n with difference 9 between the number of odd parts and the number of even parts, both counted without multiplicity.at n=41A242700
• a(n) is the denominator of the generalized continued fraction with terms sigma(m)/m for m=1 to n.at n=7A254060
• Smallest k > 1 such that none of k^2 - 0, k^2 - 1, k^2 - 2,..., k^2 - n are squarefree.at n=6A270442
• Number of 2 X 2 matrices with all terms in {-n,..,0,..,n} and (sum of terms) = determinant.at n=28A281194
• T(n,k) is the number of permutations of [n] having exactly k pairs of integers i<j in [n] such that their cycle minima have opposite sorting order; triangle T(n,k), n>=0, 0<=k<=A125811(n)-1, read by rows.at n=53A381529