107136

Appears in sequences

• a(n) = (n!!)^2 - n!.at n=6A088984
• a(0) = 1, a(1) = 7; a(n)= 6*a(n-1) + 6*a(n-2) for n>1.at n=6A180167
• Wiener index of the n-folded cube graph.at n=7A292029
• Product of Fibonacci and self-convolution of Fibonacci numbers: a(n) = A000045(n+1)*A001629(n+1).at n=11A372015
• Number of maximum sized subsets of {1..n} such that every pair of distinct elements has a different sum.at n=57A382398