a(n) = (3*a(n - 1)a(n - 5) - a(n - 2)*a(n - 4))/a(n - 6); a(0) = 1, a(1) = 1, a(2) = 1, a(3) = 1, a(4) = 1, a(5) = 1.
A122024
a(n) = (3*a(n - 1)a(n - 5) - a(n - 2)*a(n - 4))/a(n - 6); a(0) = 1, a(1) = 1, a(2) = 1, a(3) = 1, a(4) = 1, a(5) = 1.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =5a(8) =13a(9) =34a(10) =76a(11) =286a(12) =1651a(13) =10933a(14) =76130a(15) =418553a(16) =3071419a(17) =37191253a(18) =597219127a(19) =11052077737a(20) =158194282219
External references
- oeis: A122024