a(n) = (a(n-1) * a(n-5) + a(n-3)^2) / a(n-6) with a(0) = ... = a(5) = 1, a(n) = a(5-n) for all n in Z.
A102276
a(n) = (a(n-1) * a(n-5) + a(n-3)^2) / a(n-6) with a(0) = ... = a(5) = 1, a(n) = a(5-n) for all n in Z.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =3a(8) =4a(9) =8a(10) =17a(11) =50a(12) =107a(13) =239a(14) =1103a(15) =3775a(16) =14463a(17) =55283a(18) =256666a(19) =2059753a(20) =9820288a(21) =55075036a(22) =503857819a(23) =4083736906a(24) =44590046729a(25) =335845998321
External references
- oeis: A102276