410606100

Appears in sequences

• 4th elementary symmetric function of C(n,0), C(n,1), ..., C(n,[ n/2 ]).at n=4A025139
• a(n) = (k-1)st elementary symmetric function of C(n,0), C(n,1), ..., C(n,k), where k = floor( n/2 ).at n=8A025141