a(n) = 1 + a(n-2)*a(n-3), with a(0) = a(1) = a(2) = 1.
A253853
a(n) = 1 + a(n-2)*a(n-3), with a(0) = a(1) = a(2) = 1.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =3a(6) =5a(7) =7a(8) =16a(9) =36a(10) =113a(11) =577a(12) =4069a(13) =65202a(14) =2347814a(15) =265306939a(16) =153082168429
External references
- oeis: A253853