83490

Appears in sequences

• Third diagonal of A027446.at n=11A027450
• Triangle read by rows: T(n,k) (n >= 2, k >= 0) is the number of non-crossing connected graphs on n nodes on a circle, having k interior faces. Rows are indexed 2,3,4,...; columns are indexed 0,1,2,....at n=32A089434
• a(n) = (n+1)^2*(n+2)*(2*n+3)/6.at n=21A108678
• Triangle read by rows: T(n,k) (n >= 2, 1 <= k <= 2n-3) is the number of non-crossing connected graphs on n nodes on a circle, having k edges. Rows are indexed 2,3,4,...; columns are indexed 0,1,2,....at n=60A127537
• Number of n X 6 binary arrays without the pattern 0 1 diagonally or vertically.at n=11A188840
• Number of partitions of n such that (number parts having multiplicity 1) is a part and (number of parts > 1) is not a part.at n=49A241513