A096544 Formed from a secondary diagonal of triangle A096542 where a(n) = A096542(n,n-3)/4.
0, 0, 0, 0, 61, 4385, 219435, 9785650, 423038910, 18400152960, 820149026970, 37821215615040, 1813429065435075, 90623195098916480, 4724647736141458125, 257000193714640346880, 14579739601017142299020, 861991467355420222464000
Offset: 0