a(1)=0, a(2)=0, a(3)=8, a(4)=24, a(n) = 32 + 66*a(n-2) - a(n-4) for n > 4.

A105063

a(1)=0, a(2)=0, a(3)=8, a(4)=24, a(n) = 32 + 66*a(n-2) - a(n-4) for n > 4.

Terms

    a(0) =0a(1) =0a(2) =8a(3) =24a(4) =560a(5) =1616a(6) =36984a(7) =106664a(8) =2440416a(9) =7038240a(10) =161030504a(11) =464417208a(12) =10625572880a(13) =30644497520a(14) =701126779608

External references