3591211

Appears in sequences

• Octanacci numbers.at n=27A123526
• a(n) = 3F0( -n,-n+1,-n+2;;-1)= n!*(n-1)!* 1F2(-n+2;2,3;-1)/2, where nFm(;;z) are generalized hypergeometric series.at n=5A174315