66792

Appears in sequences

• Denominator of B(4n+2)/(8n+4) where B(m) are the Bernoulli numbers.at n=26A043304
• Product of two triangular matrices C*S2.at n=25A064308
• Number of n X n symmetric binary arrays with rows, considered as binary numbers, in nondecreasing order, and no more than 3 ones in any row.at n=7A162037
• Triangle read by rows: T(n,k) is the number of edge covers of the complete labeled graph on n nodes that are minimal and have exactly k edges, n>=2, 1<=k<=n-1.at n=64A281269
• Number of maximal squarefree words of length n over the alphabet {0,1,2}.at n=44A282212
• a(n) = 3*(3*n+1)*(9*n+8)/2.at n=40A304504
• Number of colored integer partitions of n such that six colors are used and parts differ by size or by color.at n=11A327384
• a(n) = binomial(n,2)*(2^(n-2) - n).at n=8A342483