297115

Appears in sequences

• Alkane (or paraffin) numbers l(9,n).at n=24A018210
• Irregular triangle read by rows T(n,k) (n>=1, 0<=k<=n(n-1)/2) giving the total number of connected components in all subgraphs (V,E') with |E'|=k of the complete labeled graph K_n=(V,E).at n=53A125205
• Triangular array T(n,k) (n>=1, 0<=k<=n(n-1)/2) giving the total number of connected components in all subgraphs obtained from the complete labeled graph K_n by removing k edges.at n=50A125206
• Number of n-element subsets of [n+6] having an even sum.at n=24A282082